NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 415 - 420 of 2028

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Question number: 415

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MCQ▾

Question

If and , then the value of E is (Use Euler’s formula):

Choices

Choice (4) Response

a.

6

b.

9

c.

11

d.

3

Question number: 416

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MCQ▾

Question

If then x: y = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 417

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MCQ▾

Question

If the cost of 45 bags of paddy is Rs. 36,000, then cost of 32 bags of paddy is:

Choices

Choice (4) Response

a.

26,000 Rs.

b.

Rs.

c.

26,500 Rs.

d.

25,600 Rs.

Question number: 418

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MCQ▾

Question

The smallest number by which 3087 must be multiplied so that the product is a perfect cube is:

Choices

Choice (4) Response

a.

21

b.

3

c.

7

d.

9

Question number: 419

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MCQ▾

Divide by .

Choices

Choice (4) Response

a.

7p

b.

-7p

c.

7mnp

d.

None of the above

Question number: 420

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MCQ▾

Question

The pie chart diagram shows the number of contestants from four countries A, B, C and D taking part in a tennis tournament. Given that there are 16 contestants from country D, find the number of contestants from country C.

Choices

Choice (4) Response

a.

12

b.

24

c.

42

d.

84

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