Friday, September 26, 2008

Tables, Charts, and Graphs-DI

Tables, Charts, and Graphs (Data Interpretation)

Graphs and charts show the relationship of numbers and quantities in visual form. By looking at a graph, you can see at a glance the relationship between two or more sets of information. If such information were presented in written form, it would be hard to read and understand.

Here are some things to remember when doing problems based on data interpretation:

1. Take your time and read carefully. Understand what you are being asked to do before you begin figuring.

2. Check the dates and types of information required. Be sure that you are looking in the proper columns, and on the proper lines, for the information you need.

3. Check the units required. Be sure that your answer is in thousands, millions, or whatever the question calls for.

4. In computing averages, be sure that you add the figures you need and no others, and that you divide by the correct number of years or other units.

5. Be careful in computing problems asking for percentages.

a. Remember that to convert a decimal into a percent you must multiply it by 100. For example, 0.04 is 4%.

b. Be sure that you can distinguish between such quantities as 1% (1 percent) and .01% (one one-hundredth of 1 percent), whether in numerals or in words.

c. Remember that if quantity X is greater than quantity Y, and the question asks what percent quantity X is of quantity Y, the answer must be greater than 100 percent.


Data refers to facts or numbers, collected for examination, consideration and useful for decision-making. It is in raw form i.e. it is in a scattered form. Information refers to data being arranged and presented in a systematic or an organize form, so that some useful inferences can be drawn from the same. By data we generally mean quantities, figures, statistics, relating to any event.


As the name implies, Data Interpretation is extraction of maximum information, as required by us from the given set of data or information. In other words the act of organizing and interpreting data to get meaningful information is known as Data Interpretation. The representation of data can be broadly classified as tables and graph.

TABLES: Any statistical data pertaining to a situation can be represented by tables. Tables are the easiest and most convenient form of data representation if the data is reasonably limited.

(1) Tables present data logically.
(2) Tables give a bird’s eye-view of the data in a concise and a compact manner thereby saving time and space.
(3) The columns and the rows that constitute any table facilitate data comparison.
(4) Tables facilitate also analysis and informed decision-making, a la any other data representation type.

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Monday, September 22, 2008

Logical Reasoning & DI Tips

Select a topics from below:

Practice Questions :

DI Points to Remember

DI: Points to Remember

-> In gleaning data from a chart, graph or table, it's remarkably easy to inadvertently grab your data from the wrong graph, bar, line, etc.

This is the #1 cause of incorrect responses in CAT Data Interpretation. To avoid this blunder, point your finger to the data you want; put your finger directly against the question paper and keep it there until you're sure you're looking at the right part of the right chart or graph.

-> Check to see if the question asks for an approximation. If so, you can safely estimate numbers by rounding off.

CAUTION: When rounding off fractions, round the numerator and denominator in the same direction (either up or down); otherwise you'll distort the value of the fraction.Don't confuse percentages with raw numbers. Always ask yourself which type of number the chart or graph is providing, and which type the question is asking for.

-> It's okay to rely on visual approximations when it comes to reading bar graphs and line charts. The test-makers are not out to test your eyesight.

So if two or more answer choices come very, very close to your solution, rest assured that you needn't estimate values more precisely. Instead, go back to square 1; you've made some other mistake along the way.

-> Take 15-30 seconds right up front to assimilate and make sense of the chart, graph, or table—and be sure to read all the information around it.

(You might need to scroll vertically to view all the information.) Get a sense for what the variables are and how they relate to one another—before you tackle the questions.

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Health Guru: Tips

Data Interpretation Tips

Health Guru: Tips

Data Interpretation Tips

DI is all about how fast you can comprehend the given data and how fast and accurately you are able to add, multiply subtract, divide and calculate ratios percentages. Below are some of the tips to improve in ths section:

1. Spend about a minute to read the graph and the data properly.

2. Check the range of the options given. You may round off the data for calculations depending upon how far the choices are from each other.

3. Read the footnotes or the legends of the graphs and tables properly. Some people assume that the graphs and figures in the question paper are drawn to scale but this may not be the case.

4. Select the sets which are easy to comprehend and are easy to solve when taking Mocks or the real exam. The only way you will be able to identify easy question is by more practice. Expose yourself to as many questions on DI as possible.

5. Improve your calculation speed specially for calculation of averages and percentages.

6. Needless to say, more practise means more confidence and better result. So practise as much as possible from as many sources as possible.

7. Spend some time on analysis on what kind of mistakes you usually make and try to improve on these areas.

8. During your preparation, after you attempt questions on DI, be it right or wrong check the method used to solve the question by the writer of the book/reference material. Keep a record of all the questions you are not able to attempt correctly in the first go (Just write down Q No. Page No. and Book Name) and attempt these questions again after a few days.

For Data sufficiency questions you don’t have to actually solve the answers, you just need to find if the data given is enough to solve the questions.

Improve speed and accuracy in Data interpretation/ Data Sufficiency. As there is no substitute for hard work, its obovious that its ur hard work that can only improve your speed and skills.

Practising more questions with setting your time period for exams will surely help u in developing speed.

The more u practise the more quick u will be…

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Logical Reasoning Tips

Tips for Family Chain Problems

Few things to remember:
1. For solving Logical reasoning questions always try to apprehend the point/inputs by using a graphical reprsentation.

Eg: for Family-Relationship kind of questions such as
1. X is Ys father
2. Y is brother of K
3. Ks mother in law is M
4. N is the only child of M
5. P is grand daughetr of Q, who is husband of M For such questions create a tree like representation using your own notations.

Tree structure for above case is shown below:

Try to form your own notations and practice them in mock tests.

Similarly tabular method can be used in other types of LR problems.

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Saturday, September 20, 2008

Data Sufficiency Answer Set-1

Data Sufficiency Answer Set-1

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1. From st. a x is prime factor of 42
42 can be written as 6.7, 21.2, 14.3, and 42.1
In the above list (6,7), (21,2) and (14,3) are co-primes
From st. b the range of x is given 5 £ x £ 11
Prime no. in this range is 7
Hence the value of x using both statements is 7.

2. From st. a 7 4x – 1 = 343
7 4x – 1 = 73
4x – 1 = 3
4x = 4
x = 1
From st. b 7 x+y = 49 4
7 x+y = 7 8
x + y = 8
using value of x = 1 in then y = 8 – 1 = 7
the value of y – x = 7 – 1 = 6.
Using both sts. We can get the answer.

3. St. a is not required in this case as square of any no. is positive
hence we will consider st. b given x3 < 0 which implies x < 0
here we could answer the question.
st. b is enough to answer.

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4. St. a AC = 40

St. b AB = BC
AC2 = AB2 + BC2
2AB2 = 402
AB2 = 800
AB = 20Ö2
Area can be calculated.
Hence both the sts are required

5. st. a
B = 1
G + 10
B = G + 10
st. b
B + 20 = 3
G 1
Using both G + 10 + 20 = 3G
2G = 30
G = 15
B = 15 + 10
Hence both the sts are required.

6. st. a area = 289p

pr2 = 289p
r = 17
st. b
r + w = 23
using both sts
17 + w = 23
w= 6

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7. st. a A = C + 4
st. b 3A + 5C = 92
using both sts
3( C + 4 ) + 5C = 92
8 C = 80
C = 10
A = 14
Amount of 40 Adults and 50 Children can be calculated
Hence both the sts are required.

8. The question gives x + y + z = 45
st. a no.s are positive
st. b all the no.s are consecutive odd no.s
Using both the sts. By trial and error x, y, and z are 13, 15, and 17
Hence both sts. are required

9. st. a total balls are 36
st. b ratio of red and black is given as 2 : 1
No information of green balls is given.
Hence neither of the sts. are sufficient.

10. st. a 9x – 5y = 21
st. b 3x – 5y = 7
9x – 5y = 21
only one equation is given
hence neither of the sts. are sufficient.

11. st. a the wt of the packet is given as 800gms
st. b the cost of 500gms is Rs.75 and each additional 50gms costs
Rs.5 using both the sts. cost of the packet = 75 + 6.5 = 105
hence both the sts. are sufficient

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12. st. a gives the ratio of a : b : c = 4 : 5 : 6
st. b gives the semi perimeter (a + b + c) /2= 22.5

We can find out the area. Hence using both the sts. we can get the area.

Note: In data sufficiency there is no need to get exact answer. We should see whether we can get the answer using data given in both the sts.

13. st. a gives the sides of the triangle 17, 15, and 12
st. b gives the perimeter of the triangle as 44
to get the ratio a check should be done, when sides in st. a are
added can be the perimeter given in st. b
17 + 15 + 12 = 44
using area of triangle = s.r
and s = ( a + b + c )/2
we can find the ratio of semi perimeter and the in radius.
Hence both the sts. are required

14. st. a Vc = Vs 2
st. b radius of sphere is 9
using both the sts.
volume of sphere can be calculated and we can calculate the volume of cylinder.
Hence both the sts. are required.

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15. st. a C finished second
st. b D,E, and F are disqualified
but no data about A and B is not given.
Hence neither of the sts. are sufficient.

16. st. a W consumes more carbohydrates
st. b X and Y consume more proteins
who is heaviest can’t be determined.
Hence neither of the sts. are sufficient.

17. st. a Christmas is celebrated on 25th Dec
st. b day after tomorrow is 26th Dec
using both sts. we can answer the question
Hence both the sts. are sufficient.

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18. st. a the height of the wall is given

st. b the angle made by the ladder and the floor is given
using both the sts. we can be

using sin q = opposite /hypotenuse will give the length of the ladder. Hence both the sts. are sufficient.

19. st. a Area of rectangle = 180
st. b change of length, breath and corresponding perimeter of rectangle is given.
Using both the sts. % change in area can be calculated.
Hence both the sts. are required.

20. st. a 3cm snowfall for first fifteen days in January

st. b 4cm snowfall for the following fifteen days in January
using both sts. the information is for 30days ,where as January has 31 days
we can’t determine the average snowfall.
Hence neither of the sts. are sufficient.

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Data Sufficiency Question Set-1

1. Statement a alone is sufficient.
2. Statement b alone is sufficient.
3. Both statements a and b are sufficient.
4. Neither statements are sufficient.

1. What is the value of the integer x?
a. x is the prime factor of 42
b. 5 £ x £ 11

2. What is the value of y – x ?
a. 7 4x – 3 = 343
b. 7 x+y = 49 4

3. Is x a positive integer?
a. x2 > 0
b. x3 <>
4. What is the area of the D ABC ?
a. AC = 40cm
b. BC=AB

5. What is the ratio of boys to girls in class X?
a. If 10 more girls join the ratio of boys to girls will be 1:1.
b. If 20 more boys join the ratio of boys to girls will be 3:1.

6. What is the width of the circular path around the park?
a. The area of the park is 289pm2.
b. The radius of the park including the circular path is 23m.

7. What is the money collected for a Roller Coaster ride from 40 adults and 50 children ?
a. An adult ticket costs Rs.4 more than the children’s ticket.
b. Three adults and five children ticket costs Rs.92.

8. If x + y + z = 45, what is the value of x.y + z.x + z.y ?
a. x, y and z are positive integers.
b. x , y and z are consecutive odd integers.

9. What is the probability of getting a green ball from the urn?
a. The urn contains 36 green, black and red balls?
b. The ratio of red to black is 2:1.

10. What is the value of x?
a. 9x – 5y = 21
b. 3x – 5y/3 = 7

11. What is the postage of the packet?
a. The packet weighted 800gms.
b. The first 500gms cost Rs.75 and each additional 50gms costs Rs.5.

12. What is the area of the triangle?
a. The ratio of a: b: c is 4:5:6.
b. The semi perimeter is 22.5.

13. What is the ratio of semi perimeter of the triangle to in radius of triangle ?
a. The sides of the triangle are 17 cm, 15 cm, 12 cm.
b. The perimeter of the triangle is 44 cms.

14. What is the volume of the cylinder?

a. The volume of cylinder is half the volume of sphere.
b. The radius of the sphere is 9 cm2 .

15. Who among A, B, C, D, E and F won the race?
a. C finished second.
b. D, E and F were disqualified for violation.

16. Who is among W, X, Y and Z is the heaviest?
a. W consumes more carbohydrates.
b. X and Y consume more proteins.

17. Is tomorrow Christmas?
a. Christmas is celebrated on 25th Dec.
b. Day after tomorrow is 26th Dec.

18. What is the height of the ladder?
a. The height of wall against which the ladder rests is 12 m.
b. The angle made by ladder and floor is 600.

19. What is the % increase in area of the rectangle?
a. The area of the rectangle is 180cm2.
b. If length and breath are increased by 15cms and 10cms respectively.Then, the perimeter of the rectangle is 104cms.

20. What is the average snowfall in the month of January?
a. The average snowfall for the first fifteen days in January is 3cms.
b. The average snowfall for the following fifteen days in January is 4cms.


Health Guru: Tips

DI Answer Set-1

Health Guru: Tips

Data Interpretation Answer Set-1

Set 1 Questions 1-5
Back to Questions

1. (135 + 137 + 141 + 144 + 145)/5 = 702/5 = 140.4

2. Average Production= (126 + 130 + 132 + 134 + 136)/5 = 131.5

In 1997 and 1998 the production was 126 and 130 which is less than the average production, hence twice.

3. 1997-1998
(137 -135)/135 * 100= 1.48

(141-137)/137* 100 = 2.919

(144-141)/141 * 100 = 2.217

( 145-144)/144 * 100 = 0.694

1999 recorded greatest % increase in production.

4. Production in 2002 will be 136(1.1) = 149.6,but details about requirement is not given. Hence the difference between requirement and production can’t be determined.

5. P = 2
R 3
P + R = 355
P = (2 * 355 ) /5= 142

% increase = (142 – 136)/136 = 4.41

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Set II Questions 6-10

6. Foreign Exchange earned from New Zealand = 0.17 * 7864 = 1336.88

7. Only for U.K, China, Mexico the % increased
U.K = (30 – 19)/19 *100 = 57.89

China = (19 – 15)/15 *100 = 26.66

Mexico = (14 – 10)10 * 100 = 40

UK had the highest % age increase.

8. % of Japan in 1997 is not known .hence can’t be determined.

9. Only two countries had decrease US & New Zealand
The percentage decrease
US (9 - 14)/14 * 100 = 35.7

New Zealand (16 – 17)/17 * 100 = 14.28

US had the greatest % decrease.

10. Italy had exports from India in 1995 but not in 1996.

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Set III Questions 11-15

11. E/I will be greater than I if E > 1

Only in 2000 the ratio was greater than 1

12. In 1997 the ratio is 0.75
E/I = 0.75

E=0.75*368 = Rs. 276 Crore

13. Can't be determined.

14. I/E = 0.8 = 4/5

E = 5/9 * 679 = 377.2

15. Can't be determined.

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Set IV Questions 16-20

16. 25% of 28520 in 1999 = 7130

24% of 30250 in 2000 = 7260
Difference= 7260-7130 = 130

17. Graduates in Life Sciences in 1999 = 0.12 * 2850 = 3422.4

Graduates in Life Sciences in 2000 = 0.11 * 30250 = 3327.5 @ 3327
% decrease = (3422 – 3327 )/3422 * 100 = 2.7

18. (Graduates in Linguistics in 1999)/(Graduates in Commerce in 2000)
=( 8 * 28520)/(16 * 30250) = 47/100

19. (30250 - 28520)/28520 * 100 = 1730/28520 = 6.06

20. Engineers and Graduates in MPC.

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DI Question Set-1

SET 4 Questions 16-20

Year 1999

Total no. of students 28,520

Year 2000

16. What is the difference of student in engineering stream in 1999 and 2000?
1. 260 2. 130 3. 390 4. 520
17. What was the % increase or decrease of students into Life Sciences in 1999 and 2000?
1. 1.27% decrease 2. 2.7% increase 3. 1.64% increase 4. 2.7% decrease
18. What is the ratio of no. of students Graduates in Linguistics in 1999 to the no. of students in Graduates in Commerce in 2000?
1. 0.33 2. 0.66 3. 0.47 4. 0.57
19. What is the % increase in seats in the college from 1999?
1. 4.12 2. 6.06 3. 4.58 4. 5.09
20. How many streams in 2000 had more than 1800?
1. Three 2. All 3. Four 4. Five

SET 3 Questions 11-15
The graph below shows the Ratio of Expenditure to Income of a company over the years

11. How many times the Expenditure was greater than income of the company?
1. 1999
2. 2000
3. 1997
4. 2001
12. If the income in 1997 was Rs. 368 crores, then what is the expenditure for the same year?
2. 202.4
3. 206
4. 276
13. If the earning in 2002 was Rs.524 crores, then what is the ratio of expenditure to income in 2002?
1. 0.64
2. 0.8
3. 1.24
4. Can’t be determined
14. If the ratio of income to expenditure is 0.8 in 2002,then what is the expenditure in 2002 if the earnings are Rs.679 crores?
1. 301.77
3. 377.2
4. 374.29
15. If the earnings in 2002 was Rs.816crore, then what is the % increase in expenditure in 2002 when compared to preceding year?
2. 12
3. 14
4. Can’t be determined

SET 2 Questions 6-10
The pie chart below gives details regarding Leather goods exports from India to different countries for two years.

For 1996
For 1995
6. If the foreign exchange earned by India in 1995 by export of leather goods is Rs.7,864 crores, then what is the foreign exchange earned from New Zealand?
1. 865.04
2. 1336.88
3. 1100.96
4. 786

7. For which country the % export of leather goods was more in 1996 compared to the preceding year?
1. Mexico
2. China
3. UK
4. New Zealand

8. If the foreign exchange earned in year 1997 was Rs.8760 crores, what is the foreign exchange earned from Japan in Rs.?
1. 2450
3. 7501
4. Can’t be determined
9. Which country recorded the greatest % decrease of leather goods in 1996 when compared to 1995?
1. US
2. New Zealand
3. UK
4. None of these

10. To which country leather goods export was there in 1995, but was not there in 1996?
1. Italy
2. Mexico
3. Japan
4. None of these

SET 1 Questions 1-5
STEEL REQUIREMENT/PRODUCTION (consider the steel in K tonnes)

1. What was the average requirement of steel for the given years?
1. 131.6
2. 142
3. 140.5

2. How many times was the production less than the average production for the given years?
1. 2
2. 4
3. 3
4. None
3. In which year the % increase in production was more than the preceding year?
1. 1998
2. 2000
3. 1999
4. 2001
4. If the % increase in production goes up by 10% in 2002.What is the difference between requirement and production in 2002?
1. 15
2. 16
3. 20
4. Can’t be determined
5. If the ratio of production to requirement in year 2002 is 2 : 3 and the total no. of tonnes of steel for production and requirement is 355,what is the % increase of production in 2002 compared to the preceding year ?
1. 3.21
2. 4.41
3. 5.02
4. None of these


Health Guru: Tips

Logical Reasoning Answers Set-1

Health Guru: Tips

Logical Reasoning Answers Set-1

1. In 1997 production is 91% of capacity installed



Hence [3]

2. Inventory for 1994

Production in '94=330,000

Sales=297,000 therefore inventory=33,000

Inventory for 1995

Production in 1995=340,000

Sales in 1995=306,000 therefore inventory=34000

Sales for 1996=360000

Total sales=360000+34000+33000=427000 units

Sales revenue=427000*4.84


Hence [2]

3.Production in 1998=456000 units

Sales=433200 units

Sales revenue=433200*6=2599200

Therefore advt. expense=2599200*4.33%


Hence [1]

4. Inventory for 1994

Production in '94=330,000

Sales=297,000 therefore inventory=33,000

Inventory for 1995

Production in 1995=340,000

Sales in 1995=306,000 therefore inventory=34000

Sales for 1996=360000

Total sales=360000+34000+33000=427000 units

Hence [1]

5. Market share=80/4=20%

Sales revenue=345,800*5=1729000

Therefore market =1,729,000/0.20=86.45lac

Hence [2]

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6. Answer is [2]

7.Answer is [1]

The following table can easily explain questions 8 to 12



13. While X=0, Y=5, A=3, B=5

While X=2, Y=8, A=5, B=8

While X=4, Y=13, A=8, B=13

Hence [3]

14. While X=0, Y=5, A=3, B=5

If X is increased by 5 further values of Y will not be calculated.

Hence [1]

15. The last value of X is 4

Hence [2]

The following table explains the questions 16 to 20


Jai---------------Beena----------Parikh---------Air India

Girish-------------Maya-----------Sahni---------Indian Court


Bala--------------Preeti----------Bakshi-------American Court


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16. [4]

17. [4]

18. [4]

19. [3]

20. [3]

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The following table explains the questions 21 to 25

1. B
2. E
3. A
4. D
5. C

21. [3]

22. [4]

23. [2]

24. [1]

25. [3]

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Logical Reasoning Question Set-1

Directions for questions 1 to 25
Each question is based on a passage. Select the best answer choice given
Difficulty level: Moderate

Problem 1
A Company manufactures chairs. In 1994 its installed capacity was 3 lacs. Now it doubled in 1998 and remained the same in 1999. Through 1995-1997 it was 2/3 the capacity of 1998. Capacity utilization is inversely proportional to capacity. In all years except 1994 capacity utilization was below 100% though production increased steadily over the years. In 1994 it was 110%, 1995-85%, 1996-90%, 1997-91% and 1998-76%. In 1999 it was the same as 1996 levels.
The selling price was Rs4 per unit in 1994 increased at 10% per annum till 1996. In 1997 it was Rs5 per unit and thereafter it rose 20% per annum. Unit sales are 90% of production in 1994 and 1995 and 95% in 1997,1998,1999.
1996 was a boom year in which the company sold all that it produced in that year plus the inventory of the last 2 years (assume opening inventory to be zero in 1994). The company has been facing heavy competition and market share by value has been declining from 25% in 1994-95, it was 60% of that in 1998-99. 1996 & 1997 shares were equal to the average share of these 6 years. The company spends 4.33% of its sales revenue every year on advertising.

1. What was the production in 1997?
1] 350,000 2] 360,000 3] 364,000 4] 365,000

2. What was the total sales revenue in 1996?
1] 1,900,360 2] 2,066,680 3] 1,890,560 4] 2,135,500

3. What was the advertising expenditure in 1998?
1] 112,545 2] 120,000 3] 135,000 4] 123,345

4. What were the unit sales in 1996?
1] 427,000 2] 450,000 3] 360,000 4] 365,000

5. What was the total market in 1997?
1] 84.39lac 2] 86.45lac 3] 79.69lac 4] cannot be determined

Problem 2
IN organizing a newspaper 4 editors are required ;the managing editor, the news editor, the sports editor and the entertainment editor. The managing editor can work only on Wednesday mornings, Thursday afternoons and Friday the whole day. The news editor can work only on Monday afternoons, Tuesday and Thursday the whole day. The sports editor can work only on Monday afternoons, Tuesday mornings and Wednesday the whole day. The entertainment editor can work all day Monday and Wednesday only.

1. If the managing editor cannot edit until each of the others has completed atleast a full day of work, when is the earliest the managing editor can work?
1]Wednesday afternoon 2]Friday morning 3]Monday morning 4]Thursday afternoon
2. One of the editors must work completely alone for the whole day in order to prevent confusion and disorder. If no other editor can afford to lose his available time, then the only possible editor privileged with working alone is
1]The news editor on Tuesday 2]The managing editor on Friday 3]The sports editor on Monday 4]The entertainment editor on Thursday

Problem 3
4 people Arti, Banti, Chetan and Dolly have together got Rs100 with them. Arti and Banti together have got as much money as Chetan & Dolly put together. Arti has got more money than Banti. Chetan has half as much money as Dolly has. Arti has Rs5 more than Dolly.

Who has got the most money?
1] Arti 2] Dolly 3] Chetan 4] Cannot be determined

How much does Banti have?
1] 12.03 2] 11.6 3] 13.3 4] None of these

Who has got the second biggest sum?
1] Arti 2] Chetan 3] Dolly 4] Banti

What is the ratio of the amount with Chetan and Dolly?
1] 2:1 2] 1:2 3] 1:3 4] 1:4

Who has got the least amount of money?
1] Banti 2] Arti 3] Chetan 4]Dolly


Problem 4
The following is the list of instructions to be followed
Step1: x=0 A=2 B=3
Step2: If X<5>
Step3: Y=A+B replace A by B replace B by Y
Step4: Type Y Step5: Increase X by 2
Step6: Goto Step2
Step7: Exit 1.

1. When X=4 what value of Y is typed?
1] 12 2] 8 3] 13 4] 5 2.

2. Suppose Step5 is replace by 'Increase X by 5' then what would be the last value of Y typed?
1] 5 2] 4 3] 6 4] 9

3. After the set of instructions is over at Step 7 what is the value of X
1] 5 2] 4 3] 3 4] 7


Problem 5
Five offices in Mumbai are run by five couples
Husbands: Bala, Girish, Jai, Jayesh, Pratap
Wife: Beena, Chand, Maya, Preeti, Sangeeta
Surname: Bakshi, Joshi, Natwar, Parikh, Sahni
Office: Air India, Jet, Ashiana, Indian Court, American Court
No husband shares a first name initial with his wife; Only one husband who is not Pratap has an identical initial for his first name and surname, but none of the wives does
The Air India is run by Jai and his wife
Girish and Maya are one of the couples
Chand’s husband is Mr. Natwar
Mrs. Joshi is the owner of Jet and Preeti is the owner of American Court; neither of them is married to Jayesh
The office run by the Sahni has the word ‘Court’ as part of its name
The Ashiana is not run by Mr.Parikh whose wife is not Sangeeta

1. Jai’s wife is
1] Preeti 2]Chand 3] Maya 4] Beena

2. The Sahni’s run the restaurant
1] Ashiana 2] Air India 3] Jet 4] Indian Court

3. Which of the men has the surname Natwar
1]Bala 2] Pratap 3] Jai 4] Jayesh

4. Which of the following women is Mrs. Joshi
1] Preeti 2] Chandni 3] Sangeeta 4] Beena

5. Bala’s surname is
1] Parikh 2] Joshi 3] Bakshi 4] Sahni


Problem 6
Five brothers have among them a pair of twins who are neither the oldest nor the youngest. E is older than C but younger than B. D is younger than 3 brothers

The youngest is
1] A 2] B 3] C 4] D

One of the twin pair is
1] B 2] C 3] D 4] E

The eldest is
1] A 2] B 3] C 4] E

The one who has as many elder brothers as younger brothers is
1] A 2] B 3] E 4] none of these

Who is the fourth brother
1] A 2] B 3] D 4] E


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