# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1202 - 1207 of 1732

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## Question number: 1202

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MCQ▾

### Question

Two numbers are 30 % and 40 % less than a third number respectively. How much % is the second number less than the first?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 1203

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MCQ▾

### Question

If , then ________.

### Choices

Choice (4) Response

a.

A rational number

b.

Not a rational number

c.

A natural number

d.

An integer

## Question number: 1204

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MCQ▾

### Question

Which of the following statement is false?

### Choices

Choice (4) Response

a.

Using protractor, angle of any measure between and can be drawn

b.

A line has two end points

c.

Two coinciding rays with a common end point form an angle of measure

d.

An angle whose measure is greater than is an obtuse angle

## Question number: 1205

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MCQ▾

### Question

Why pendulum of a clock is made of invar steel?

### Choices

Choice (4) Response

a.

It has high coefficient of thermal expansion

b.

It has low coefficient of thermal expansion

c.

Invar steel is very cheap and found easily.

d.

Question does not provide sufficient data or is vague

## Question number: 1206

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MCQ▾

### Question

A and B borrowed Rs. 3500 and Rs. 4000 respectively at the same rate of interest for 4 years. If B paid Rs. 320 more interest than A. Then the rate of interest per annum is

### Choices

Choice (4) Response

a.

18%

b.

12%

c.

26%

d.

16%

## Question number: 1207

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MCQ▾

### Question

If negative sign precedes a bracket the sign of the terms inside the bracket will ________when the bracket is removed.

### Choices

Choice (4) Response

a.

Change

b.

Not change

c.

Remain the same

d.

None of the above

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