# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 449 - 456 of 2000

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## Question number: 449

Edit
MCQ▾

### Question

With a bucket of radius 14 cm and height 8 cm, 2 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 450

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MCQ▾

### Question

Which of the following statement is false?

### Choices

Choice (4)Response

a.

Every fraction is a rational number

b.

Every rational number is a fraction

c.

Every integer is a rational number

d.

All of the above

## Question number: 451

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MCQ▾

### Question

Tyndall effect is shown by ________.

### Choices

Choice (4)Response

a.

Precipitate

b.

Solution

c.

Plasma

d.

Sol

## Question number: 452

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MCQ▾

### Question

Which of the following is closest to ?

### Choices

Choice (4)Response

a.

0.12

b.

0.09

c.

0.21

d.

0.14

## Question number: 453

Edit
MCQ▾

### Question

In a and is thrice that of . Then =

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 454

Edit
MCQ▾

### Question

If a coin is tossed thrice, the probability of getting at least one tail is

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 455

Edit
MCQ▾

### Question

Which of the following numbers has the terminal decimal representation?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 456

Edit
MCQ▾

### Question

The factors of are:

### Choices

Choice (4)Response

a.

b.

c.

d.

Factorization is not possible

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