NCO- Cyber Olympiad Class 7: Questions 111 - 115 of 416

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Question number: 111

» Mental Ability » Number Games

MCQ▾

Question

A man has Rs. 380 in the denominations of 1-rupee notes, 2-rupee notes, 5-rupee notes and 10-rupee notes, 20-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

Choices

Choice (4) Response

a.

75

b.

48

c.

50

d.

66

Question number: 112

» Verbal Reasoning » Series Completion

MCQ▾

Question

90, 180, 360, ________

Choices

Choice (4) Response

a.

150

b.

720

c.

175

d.

252

Question number: 113

» Mental Ability » Basic Algebra

MCQ▾

Question

If ab and cd are any two rational numbers then we define:

abcd=ab+(cd)

Thus, subtracting a rational number means adding its additive inverse.

Based on the statement given above solve the following problem: Subtract 57 from 25 .

Choices

Choice (4) Response

a.

1135

b.

3935

c.

1135

d.

713

Question number: 114

» Mental Ability » Basic Algebra

MCQ▾

Question

If pq and rs be any two rational numbers then we define: pqrs=pq+(rs)

Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract 63 from 38 .

Choices

Choice (4) Response

a.

3924

b.

4024

c.

3924

d.

1124

Question number: 115

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A cistern can be filled by two tapes A and B in 12 hours and 16 hours respectively. The full cistern can be emptied by a third tap C in 8 hours. If all the taps were turned on at the same time, in how much time will the empty cistern be filled up completely?

Choices

Choice (4) Response

a.

36 hours

b.

40 hours

c.

24 hours

d.

48 hours

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