# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 733 - 739 of 1732

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## Question 733

### Question

MCQ▾

A pendulum of a clock takes 45 seconds to complete 15 oscillations, calculate its time period.

### Choices

Choice (4)Response

a.

4 sec

b.

9 sec

c.

3 sec

d.

6 sec

## Question 734

### Question

MCQ▾

A rational number equivalent to is

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 735

### Question

MCQ▾

Temperature at the foot of a mountain is . It fell down by at the top of the mountain. The temperature recorded on the top is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 736

### Question

MCQ▾

The arithmetic mean for the following frequency distribution is

 Class 1 2 3 4 5 6 7 Frequency 34 22 46 28 17 63 56

### Choices

Choice (4)Response

a.

36

b.

24

c.

38

d.

46

## Question 737

### Question

MCQ▾

In a village all the rivers and lakes got dried up in summer, this process can be called as:

### Choices

Choice (4)Response

a.

Evaporation

b.

Sublimation

c.

Condensation

d.

Melting

## Question 738

### Question

MCQ▾

Line segment has ________ end points.

### Choices

Choice (4)Response

a.

3

b.

No

c.

1

d.

2

## Question 739

### Question

MCQ▾

Which of the following is a proper fraction?

### Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

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