# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 479 - 486 of 2000

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## Question number: 479

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MCQ▾

### Question

The runs scored by Sachin in 7 test matches are 133,140,138,150,156,148 and 143 respectively. Find his mean.

### Choices

Choice (4) Response

a.

144

b.

133

c.

156

d.

148

## Question number: 480

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MCQ▾

### Question

The runs scored by Mahi in 5 test matches are 150,163,158,160 and 164 respectively. Find his mean.

### Choices

Choice (4) Response

a.

164

b.

158

c.

150

d.

159

## Question number: 481

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MCQ▾

Factors of

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 482

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MCQ▾

### Question

The triangle formed by and is

### Choices

Choice (4) Response

a.

An obtuse angle triangle

b.

A right angled triangle

c.

An acute angle triangle

d.

None of the above

## Question number: 483

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MCQ▾

### Question

The set of all irrational numbers is closed for

### Choices

Choice (4) Response

a.

Multiplication

b.

Addition

c.

Division

d.

None of the above

## Question number: 484

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MCQ▾

### Question

The largest sphere is cut off from a cube of side 5 cm. The volume of the sphere will be:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 485

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MCQ▾

### Question

DNA is present in

### Choices

Choice (4) Response

a.

Cytoplasm

b.

Nucleus

c.

Mitochondria

d.

Both b. and c. are correct

## Question number: 486

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MCQ▾

### Question

If A: The quotient of two integers is always a rational number and

R: is not rational.

Then which of the following statements is true?

### Choices

Choice (4) Response

a.

A and R are false

b.

A is true and R is correct explanation of A

c.

A is false and R is correct explanation of A

d.

A is true and R is false

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