# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 451 - 459 of 2000

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## Question number: 451

Edit
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

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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

## Question number: 457

Edit
MCQ▾

### Question

The point (5,1) is at a distance of ________ units from X-axis.

### Choices

Choice (4) Response

a.

1 unit

b.

5 units

c.

4 units

d.

All of the above

## Question number: 458

Edit
MCQ▾

The number is

### Choices

Choice (4) Response

a.

Rational

b.

Can’t say

c.

Irrational

d.

Question does not provide sufficient data or is vague

## Question number: 459

Edit
MCQ▾

### Question

The probability of three coins falling two tails and one head when tossed simultaneously is

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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