Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 72 - 83 of 1128

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Question 72

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Question

MCQ▾

Choices

Choice (4)Response

a.

300

b.

c.

1

d.

0

Question 73

Mathematics
Edit

Question

MCQ▾

The ratio of number of girls to boys in a class is 1: 18. If 42 more boys join, the ratio becomes 1: 20. The number of girls in the class is

Choices

Choice (4)Response

a.

19

b.

28

c.

15

d.

21

Question 74

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Question

MCQ▾

.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 75

Mathematics
Edit

Question

MCQ▾

The solution of is

Choices

Choice (4)Response

a.

b.

1

c.

d.

Question 76

Edit

Question

MCQ▾

Symbol for proportion is

Choices

Choice (4)Response

a.

: :

b.

=

c.

d.

:

Question 77

Edit

Question

MCQ▾

The ratio of Rs. 5 and 125 paise is

Choices

Choice (4)Response

a.

2: 1

b.

1: 4

c.

4: 1

d.

1: 2

Question 78

Edit

Question

MCQ▾

The equivalent fraction of having the numerator 60 is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 79

Edit

Question

MCQ▾

The difference between and is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 80

Edit

Question

MCQ▾

Difference of 46 and 36.012 is

Choices

Choice (4)Response

a.

9.998

b.

9.988

c.

8.889

d.

8.989

Question 81

Edit

Question

MCQ▾

18: 6: : x: 1 value of x is

Choices

Choice (4)Response

a.

3

b.

7

c.

d.

1

Question 82

Edit

Question

MCQ▾

The fractional number for 2 out of 5 of the fruits are bananas as ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 83

Edit

Question

MCQ▾

The condition for two ratios to be equal is

Choices

Choice (4)Response

a.

Product of means is equal to antecedents

b.

Product of means is equal to product of extremes

c.

Product of extremes is equal to consequent

d.

Antecedents are equal to consequent