# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 137 - 145 of 1732

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## Question 137

### Question

MCQ▾

If x: y:: y: z then the correct statement is

### Choices

Choice (4)Response

a.

xyz = x

b.

xy = yz

c.

d.

zy = x

## Question 138

MCQ▾

If the

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 139

### Question

MCQ▾

If 15 % of 20 % of a number is 90, then the number is

### Choices

Choice (4)Response

a.

3000

b.

3800

c.

2500

d.

3200

## Question 140

MCQ▾

Sum of is

### Choices

Choice (4)Response

a.

b.

c.

2

d.

## Question 141

### Question

MCQ▾

In a football match the ratio of total number of players of both teams to the number of referees is

### Choices

Choice (4)Response

a.

22: 1

b.

11: 2

c.

22: 2

d.

10: 2

## Question 142

### Question

MCQ▾

If one fourth, one half and one sixth of a number is added to itself, the result is 88. Find the number.

### Choices

Choice (4)Response

a.

87

b.

c.

d.

All of the above

## Question 143

### Question

MCQ▾

The ratio of number of men to women in a company is 1: 45. If 75 more women join, the ratio becomes 1: 50. The number of men in the company is

### Choices

Choice (4)Response

a.

20

b.

25

c.

15

d.

35

## Question 144

### Question

MCQ▾

Example for a proper fraction is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 145

### Question

MCQ▾

A person travelled of the distance by train, by bus and the remaining 30 km by boat. The total distance travelled by him was

### Choices

Choice (4)Response

a.

155 km

b.

225 km

c.

105 km

d.

285 km

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