Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 211 - 217 of 1201

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Question number: 211

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Question

MCQ▾

A, B and C are three shops selling TVs. The sales made by shop A is of sales made by shop C. The volume of sales by shop B is twice the volume made by shop A. Shop C sold 300 TVs. Which of the following bar charts correctly represents the sales of TVs by shops A, B and C?

Choices

Choice (4)Response

a.

Question number: 212

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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 number: 213

Mathematics
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Question

MCQ▾

The factors of are:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 214

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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 number: 215

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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 number: 216

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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 number: 217

Mathematics
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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.

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%