# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 514 - 521 of 2000

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## Question number: 514

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MCQ▾

### Question

The radius of a cylinder whose internal surface area is 1056 and height 24 cm is

### Choices

Choice (4) Response

a.

7 cm

b.

28 cm

c.

14 cm

d.

3.5 cm

## Question number: 515

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MCQ▾

### Question

One side of an equilateral triangle is 16 cm. Its area is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 516

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MCQ▾

### Question

The probability that in a family of 3 children, there will be exactly one girl is

### Choices

Choice (4) Response

a.

b.

2

c.

d.

## Question number: 517

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MCQ▾

### Question

The rational number

### Choices

Choice (4) Response

a.

Has a positive numerator

b.

Has a negative numerator

c.

Has neither a positive numerator nor a negative numerator

d.

Has either a positive numerator or a negative numerator

## Question number: 518

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MCQ▾

### Question

Then the excluded number is

### Choices

Choice (4) Response

a.

42

b.

38

c.

62

d.

None of the above

## Question number: 519

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MCQ▾

### Question

If the altitude of an equilateral triangle is cm, its area is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 520

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MCQ▾

### Question

The median of the following data 38,25,16,52,47,32,68,8, 11,74 is

### Choices

Choice (4) Response

a.

35

b.

38

c.

47

d.

32

## Question number: 521

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MCQ▾

### Question

The product of and is equal to the quotient obtained when is divided by ________.

### Choices

Choice (4) Response

a.

1

b.

c.

0

d.

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