Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 11 - 18 of 1128

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Question number: 11

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Question

MCQ▾

The product of a fractional number and its multiplicative inverse is

Choices

Choice (4)Response

a.

0

b.

1

c.

Number itself

d.

None of the above

Question number: 12

Mathematics
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Question

MCQ▾

8 is added to a number and the sum is multiplied by 2. If 13 is subtracted from the product and the difference is divided by 3, the result is equal to 36. Find the number.

Choices

Choice (4)Response

a.

31

b.

39

c.

35

d.

45

Question number: 13

Mathematics
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Question

MCQ▾

Two sums of money are in the ratio 5: 7. If the second sum is Rs. 56, then first sum is

Choices

Choice (4)Response

a.

42 Rs.

b.

50 Rs.

c.

40 Rs.

d.

35 Rs.

Question number: 14

Mathematics
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Question

MCQ▾

The solution of is

Choices

Choice (4)Response

a.

23

b.

- 57

c.

- 65

d.

2

Question number: 15

Mathematics
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Question

MCQ▾

The average of 12,13,14,15 and x is 14. The value of x is

Choices

Choice (4)Response

a.

17

b.

13

c.

16

d.

15

Question number: 16

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Question

MCQ▾

Fractions which have a common denominator are called ________ fractions.

Choices

Choice (4)Response

a.

Improper

b.

Unlike

c.

Proper

d.

Like

Question number: 17

Mathematics
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Question

MCQ▾

A student has to secure 30 % marks to pass. He got 120 marks and failed by 60 marks. Find the maximum marks.

Choices

Choice (4)Response

a.

500

b.

350

c.

650

d.

600

Question number: 18

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Question

MCQ▾

is

Choices

Choice (4)Response

a.

45.6

b.

4.56

c.

0.00456

d.

456