# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 840 - 847 of 2028

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## Question number: 840

Edit
MCQ▾

### Question

Simplified form of

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 841

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MCQ▾

### Question

If and then is equal to:

### Choices

Choice (4) Response

a.

7

b.

3

c.

-4

d.

5

## Question number: 842

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MCQ▾

### Question

A rope makes 55 rounds of the circumference of a cylinder whose radius of the base is 10 cm. How many times can it go round a cylinder with radius 5 cm?

### Choices

Choice (4) Response

a.

110

b.

55

c.

27.5

d.

80

## Question number: 843

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MCQ▾

### Question

If then the value of is:

### Choices

Choice (4) Response

a.

36

b.

18

c.

54

d.

63

## Question number: 844

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MCQ▾

### Question

If SP of an article is of its CP then the profit in the transaction is:

### Choices

Choice (4) Response

a.

15%

b.

%

c.

25%

d.

%

## Question number: 845

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MCQ▾

### Question

A man bought a rectangular plot of 243 m length and 27 m width. In exchange for this field he wanted to buy a square field of the same area. Then the side of the square field would be:

### Choices

Choice (4) Response

a.

81 m

b.

164 m

c.

98 m

d.

312 m

## Question number: 846

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MCQ▾

### Question

In a parallelogram, if , then and are respectively:

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 847

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MCQ▾

### Question

The number 22,204 is divisible by

### Choices

Choice (4) Response

a.

13

b.

11

c.

9

d.

7

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