# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1167 - 1174 of 2028

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## Question number: 1167

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MCQ▾

### Question

A certain number of men can finish a piece of work in 100 days. If there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?

### Choices

Choice (4) Response

a.

75

b.

82

c.

110

d.

100

## Question number: 1168

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MCQ▾

### Question

Which of the following fibre is made of coal, air and water?

### Choices

Choice (4) Response

a.

Rayon

b.

Polyester

c.

Terrycot

d.

Nylon

## Question number: 1169

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MCQ▾

### Question

The real factors of are:

### Choices

Choice (4) Response

a.

Does not exist

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 1170

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MCQ▾

### Question

The product of two rational numbers is . If one of the numbers is , then the other number is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1171

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MCQ▾

### Question

The least perfect square exactly divisible by each of the numbers 6,9, 15 and 20 is:

### Choices

Choice (4) Response

a.

225

b.

900

c.

400

d.

3,600

## Question number: 1172

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MCQ▾

### Question

The factors of are:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1173

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MCQ▾

### Question

Which of the following is the first commercially synthesized fibre?

### Choices

Choice (4) Response

a.

Rayon

b.

Cotton

c.

Wool

d.

Nylon

## Question number: 1174

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MCQ▾

### Question

The following figure shows a polygon with all its exterior angles.

The value of x is:

### Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: