## Ques 1.

A man has some oranges , out of which 2% are rotten.He sells 95%of the remaining oranges. Now he is left with 49 oranges .How many oranges had he in all ?

(a) 800

(b) 1000

(c) 600

(d) 9000

**Ans 1.**Let the number of oranges the man had be x.

## Ques 2.

What percentage error will be made in the calculated volume of a sphere, if the measured value of the radius is 1 1/2% too large ?

(a) 4.6

(b) 5.2

(c) 1.1

(d) 3.6

**Ans 2.**

## Ques 3.

How many numbers between 100 and 600 are divisible by 5 and 6 both ?

(a) 60

(b) 17

(c) 22

(d) 38

**Ans 3.**Numbers that are divisible by 5 and 6 both must be divisible by 30.( 5 and 6 are coprime) .

. . The desired numbers are : 120, 150, 180 ......600 which are 17 in number .

## Ques 4.

If a man walks at the rate of 5km/hr, he misses a train by only 7 minutes . However, if he walks at the rate of 6/km/hr, he reaches the station 5 minutes before arrival of the train. The distance covered by him to reach the station is

(a) 5

(b) 6

(c) 7

(d) 8

**Ans 4.**Let the distance covered by the man be x km.

## Ques 5.

A merchant in Bombay buys some radio sets from Calcutta , the catalogue Price of which is Rs 600 per set. The trade discount allowed to him by the Calcutta company is 15% on catalogue price. The freight and other charges amount 10 2 1/2% of the catalogue Price/ The Bombay merchant sells each set at 10% discounts on his list price of Rs. 750 thus making a not profit of Rs 1350 . The number of ratio sets bought is

(a) 7

(b) 8

(c) 9

(d) 11

**Ans 5.**

## Ques 6.

The cost of gravelling at the rate of 10 p per m2 the area of a parallelogram whose adjacent sides are 13 m and 140 m and one of the diagonals is 150 m is

(a) Rs 1880

(b) Rs 1680

(c) Rs 1061

(d) Rs 1860

**Ans 6.**

## Ques 7.

The successive discounts of 20% and 15% are equal to a single discount of

(a) 35%

(b) 32 %

(c) 22%

(d) 5%

**Ans 7.**

## Ques 8.

In the product 459 x 46 x 28* x 484, the digit in the unit's place is 2. The digit to come in place of * is

(a) 3

(b) 5

(c) 7

(d) 1

**Ans 8.**9 x 6 x * x 4 must give 2 in the unit's place.

or 6 x * must give 2 in the unit's place .

=> * = 2, 7

## Ques 9.

In an examination 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects .If 2500 candidates appeared at the examination how many passed in both the subjects ?

(a) 950

(b) 1175

(c) 2125

(d) None of these

**Ans 9.**Percentage of candidates who that failed in at least one of the subjects

= ( 35- 15) + 15 ( 42 - 15) = 62%

. . Percentage of candidates who passed in both the subjects =100 - 62 = 38%

Hence, number of candidates who passed

in both the subjects = 38/100 x 2500 = 950.

## Ques 10.

If x * y * z = /(x + 2) ( y + 3) / z + 1 , the value of 6 * 15 * 3 is

(a) 2

(b) 3

(c) 4

(d) None of these

**Ans 10.**

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