## Ques 1.

IF A's height is 10% more than the B's, then how much percent less is B's height than that of A ?

(a) 10%

(b) 10 1/9%

(c) 10 1/11%

(d) 9 1/11%

**Ans 1.**

## Ques 2.

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years .The Sun is

(a) Rs. 700

(b) Rs. 698

(c) Rs. 690

(d) Rs. 650

**Ans 2.**S.I. for one year = Rs. 39

. . S.I. for three years = Rs. 117.

. . Sum = 815 - 117 = 698.

## Ques 3.

A Polygon has 90 diagonals .The number of sides of the polygon are

(a) 10

(b) 20

(c) 15

(d) 25

**Ans 3.**No. of diagonals in an n-sided polygon

## Ques 4.

In a party ,everybody shakes hand with everybody else and there are 36 handshakes in all. The number of persons in the party are

(a) 9

(b) 12

(c) 18

(d) 24

**Ans 4.**Total Number of handshakes

= The number of ways of selecting 2 persons from among n persons.

## Ques 5.

Two pipes X and Y can fill a cistern in 12 min and 15 min respectively and a pipe Z can empty the whole cistern in 20 min.How many minutes did it take for the cistern to fill ?

(a) 6

(b) 6 2/3

(c) 5

(d) 10

**Ans 5.**In one minute , 1/12 + 1/15- 1/20 = 1/0 of the cistern will be full .

. . The whole cistern will be filled in 10 minutes if all the pipes X, Y and Z are opened simultaneously.

## Ques 6.

15 men and 18 women together finish a work in 6 days.One man alone finishes that work in 150 days. One woman will finish the same work in

(a) 170 Days

(b) 222 days

(c) 230 Days

(d) 270 Days

**Ans 6.**One man can finish the whole work in 150 Days.

=> 25 men can finish the whole work in 6 days.

. . 25 men = 15 men + 18 women

(1) => 5 men can finish the whole work in 30 days .

=> 9 woman can finish the whole in 30 days

=> 1 woman can finish the whole work in 270 days.

'

## Ques 7.

If one-third of one -fourth of a number is 15, then three-tenth of that number is

(a) 35

(b) 36

(c) 45

(d) 54

**Ans 7.**Let the number be x.

## Ques 8.

A began a business with Rs. 4500. He was joined afterwards by B with Rs. 3000. For how much period does B join, if the profits at the end of the year were divided in the ratio of 2 : 1 ?

(a) 9 months

(b) 8 months

(c) 4 months

(d) 3 months

**Ans 8.**Suppose B joined after X months.

. . The profit at the end of the year must have been divided between A and B in the ratio of 4500 x 12 : 3000 ( 12 -x),

i.e. 45 x 12 : 30 x 12 - 30 x

i.e. 36 : 24 - 2x.

. . B joined after 3 months , i.e. B joined for 9 months .

## Ques 9.

Abhinav an hit a target 4 times in 5 shots; Limba, 3 times in 4 shots; and Kalpana twice in 3 shots. They fire one each. What is the probability that all three shots hit the target ?

(a) 3/5

(b) 1/2

(c) 2/5

(d) 8/15

**Ans 9.**

## Ques 10.

If by selling 186 mobiles phones, the seller earns profit equal to the selling price of 31 mobile phones, What is his percentage profit ?

(a) 20 %

(b) 17 2/3%

(c) 19 1/3%

(d)Data inadequate

**Ans 10.**

## Ques 11.

A wheel of a motorbike has radius 35 cm. How many revolutions per minute must the wheel make so that the speed of the bike is 33 km/hr ?

(a) 300

(b) 250

(c) 200

(d) 220

**Ans 11.**

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