# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 67 - 75 of 425

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## Question number: 67

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MCQ▾

### Question

If the length of rectangle is increased in the ratio 6: 7 and its breadth is diminished in the ratio 5: 4 then its area will be diminished in the ratio

### Choices

Choice (4)Response

a.

8: 7

b.

9: 8

c.

15: 14

d.

17: 16

## Question number: 68

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MCQ▾

### Question

A policeman, while arranging the people, who were 4000 in number, in the form of a square, found that there were 31 people left over. How many were arranged in each row?

### Choices

Choice (4)Response

a.

63

b.

92

c.

56

d.

87

## Question number: 69

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MCQ▾

### Question

The square root of

### Choices

Choice (4)Response

a.

2

b.

25

c.

5

d.

4

## Question number: 70

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MCQ▾

### Question

If , then the value of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 71

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MCQ▾

### Question

Find the missing number for below series

### Choices

Choice (4)Response

a.

356

b.

185

c.

82

d.

584

## Question number: 72

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MCQ▾

then is equal to

### Choices

Choice (4)Response

a.

1

b.

3

c.

0

d.

2

## Question number: 73

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MCQ▾

### Question

Calculate the sum of the series

### Choices

Choice (4)Response

a.

8.245991

b.

7.04811971

c.

6.74897119

d.

All of the above

## Question number: 74

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MCQ▾

### Question

Find the missing number for below series

122,62,32, ? , 9.5,5.75

### Choices

Choice (4)Response

a.

19

b.

20.25

c.

17

d.

24

## Question number: 75

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MCQ▾

then is equal to

### Choices

Choice (4)Response

a.

b.

c.

0

d.

16

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