# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 27 - 35 of 425

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## Question number: 27

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MCQ▾

### Question

The sum and product of two numbers are 5 and 21 respectively. The sum of their reciprocal will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 28

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MCQ▾

### Question

If the length of rectangle is diminished in the ratio 8: 7 and its breadth is increased in the ratio 5: 6 then its area will be increased in the ratio

### Choices

Choice (4)Response

a.

7: 8

b.

20: 21

c.

14: 15

d.

6: 5

## Question number: 29

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MCQ▾

### Question

If , then a is equal to

### Choices

Choice (4)Response

a.

2

b.

c.

3

d.

## Question number: 30

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MCQ▾

then is equal to

### Choices

Choice (4)Response

a.

76

b.

55

c.

0

d.

21

## Question number: 31

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MCQ▾

### Question

Find the missing number for below series

### Choices

Choice (4)Response

a.

954

b.

1001

c.

1024

d.

892

## Question number: 32

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MCQ▾

is equal to

### Choices

Choice (4)Response

a.

0.037

b.

0.027

c.

0.729

d.

0.009

## Question number: 33

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MCQ▾

### Question

If the length of rectangle is increased in the ratio 2: 3 and its breadth is reduced in the ratio 7: 2 then its area will be reduced in the ratio

### Choices

Choice (4)Response

a.

10: 7

b.

21: 4

c.

7: 6

d.

7: 3

## Question number: 34

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MCQ▾

### Question

Find the missing number for below series

### Choices

Choice (4)Response

a.

153

b.

196

c.

186

d.

169

## Question number: 35

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MCQ▾

### Question

What should come in place of the question mark (? ) in the following number series?

### Choices

Choice (4)Response

a.

0.33

b.

3.33

c.

3

d.

0.3

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