# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 729 - 735 of 1732

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## Question number: 729

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MCQ▾

The value of is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 730

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MCQ▾

### Question

Number to be added on LHS of equation to find the value of ‘y’ is (elimination method) .

### Choices

Choice (4) Response

a.

- 7

b.

0

c.

- 9

d.

16

## Question number: 731

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MCQ▾

### Question

If ABCD is a parallelogram, then the ratio of the areas of parallelogram ABCD and is

### Choices

Choice (4) Response

a.

Cannot be determined

b.

1: 2

c.

2: 1

d.

Question does not provide sufficient data or is vague

## Question number: 732

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MCQ▾

### Question

Which of the following is bad conductor of heat?

### Choices

Choice (4) Response

a.

Gold

b.

Mercury

c.

Glass

d.

Silver

## Question number: 733

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MCQ▾

### Question

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 number: 734

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MCQ▾

### Question

A rational number equivalent to is

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 735

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MCQ▾

### Question

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.

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