# NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 138 - 143 of 1058

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## Question number: 138

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### Question

MCQ▾

The latent heat of vaporization of water is

### Choices

Choice (4)Response

a.

22.5 × 10 5

b.

3.34 × 10 5

c.

2.2 × 10 5

d.

None of the above

## Question number: 139

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### Question

MCQ▾

If one root of 3x 2 = 8x + (2k + 1) is seven times the other, then the value of k is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 140

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### Question

MCQ▾

Inertia is that property of a body by virtue of which the body is

### Choices

Choice (4)Response

a.

unable to change by itself the state of uniform motion

b.

unable to change by itself the direction of motion

c.

unable to change by itself the state of rest and of uniform linear motion

d.

unable to change by itself the state, the rest

## Question number: 141

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### Question

MCQ▾

Mount K2 is the highest mountain peak of

### Choices

Choice (4)Response

a.

Nepal

b.

India

c.

Sri Lanka

d.

China

## Question number: 142

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### Question

MCQ▾

When the speed of a moving body is doubled

### Choices

Choice (4)Response

a.

its potential energy is doubled

b.

its momentum is doubled

c.

its acceleration is doubled

d.

its kinetic energy is doubled

## Question number: 143

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### Question

MCQ▾

Evaporation of liquid occur at

### Choices

Choice (4)Response

a.

all temperature

b.

boiling point

c.

fixed temperature lower than the boiling point

d.

Question does not provide sufficient data or is vague