# NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 212 - 219 of 2028

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## Question 212

### Question

MCQ▾

The least perfect square which is divisible by 2,4, 6 is:

### Choices

Choice (4)Response

a.

24

b.

28

c.

16

d.

36

## Question 213

### Question

MCQ▾

The factors of are:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 214

### Question

MCQ▾

Which of the following is a Pythagorean triplet?

### Choices

Choice (4)Response

a.

(6,7, 10)

b.

(2,4, 5)

c.

(7,24, 25)

d.

All of the above

## Question 215

### Question

MCQ▾

The radius of a sphere is 2.1 m. Its volume is:

### Choices

Choice (4)Response

a.

38.808

b.

38.808

c.

38.808 cu m

d.

38.808 cu cm

## Question 216

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

3

b.

c.

d.

## Question 217

### Question

MCQ▾

The frequency table shows the marks obtained by a group of students in a monthly test. Calculate the percentage of students who passed in the test if 40 is the passing mark.

 Marks No. of students 0 - 19 3 20 - 39 7 40 - 59 21 60 - 79 14 80 - 99 5

### Choices

Choice (4)Response

a.

80 %

b.

70 %

c.

65 %

d.

75 %

## Question 218

### Question

MCQ▾

If , then is equal to:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 219

### Question

MCQ▾

Given that 729 = and 4.096 = , find the value of .

### Choices

Choice (4)Response

a.

14.4

b.

14

c.

4.8

d.

27.5

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