NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 212 - 218 of 2028

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Question number: 212

» Mathematics » Square and Square Roots

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MCQ▾

Question

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 number: 213

» Mathematics » Factorization

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Question

The factors of are:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 214

» Mathematics » Square and Square Roots

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Question

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 number: 215

» Mathematics » Cube and Cube Roots

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Question

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 number: 216

» Mathematics » Direct and Inverse Proportions

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Question

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 number: 217

» Mathematics » Data Handling

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Question

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.

Table of number of students with the obtained marks by them

Showing the table of number of students with the obtained marks by them

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 number: 218

» Mathematics » Direct and Inverse Proportions

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Question

If , then is equal to:

Choices

Choice (4) Response

a.

b.

c.

d.

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