# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 824 - 831 of 2028

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## Question number: 824

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MCQ▾

________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 825

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MCQ▾

### Question

If , and , then the ratio of is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 826

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MCQ▾

### Question

Two adjacent sides of a parallelogram are 10 cm and 12 cm. Its perimeter is:

### Choices

Choice (4) Response

a.

22 cm

b.

120 cm

c.

44 cm

d.

24 cm

## Question number: 827

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MCQ▾

The value of is

### Choices

Choice (4) Response

a.

1575

b.

105

c.

525

d.

315

## Question number: 828

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MCQ▾

### Question

Given that , find the value of a.

### Choices

Choice (4) Response

a.

81

b.

-729

c.

9

d.

-27

## Question number: 829

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MCQ▾

### Question

x varies inversely as cube of y. Given that for . The value of x for will be equal to:

### Choices

Choice (4) Response

a.

b.

c.

8

d.

## Question number: 830

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MCQ▾

### Question

From the frequency table the percentage of classes with less than 30 students is Find the value of ‘x’.

 No. of students 25 33 45 18 50 60 No. of Classes 1 2 3 4 5 6

### Choices

Choice (4) Response

a.

5

b.

8

c.

12

d.

15

## Question number: 831

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MCQ▾

### Question

How many edges a cone has?

### Choices

Choice (4) Response

a.

2

b.

3

c.

1

d.

Question does not provide sufficient data or is vague

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