NCO- Cyber Olympiad (SOF) Class 8: Questions 149 - 154 of 510

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Question number: 149

» Mental Ability » Basic Arithmetic

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Question

The H. C. F. and L. C. M. of two numbers are 18 and 21 respectively. If one number is 14, then another number is

Choices

Choice (4) Response

a.

54

b.

28

c.

21

d.

27

Question number: 150

» Mental Ability » Basic Arithmetic

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Question

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Choice (4) Response

a.

b.

c.

d.

Question number: 151

» Mental Ability » Number Games

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Question

The denominator of a rational number is greater than its numerator by 5. If 2 is subtracted from the numerator and 7 is added to its denominator, the new number becomes . Find the original number.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 152

» Logical and Analytical Reasoning » Direction Sense Test

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Question

Rohan walked 35 meters towards south. Then he turned to his left and walked 30 meters. He then turned towards his left and walked 35 meters. He again turned to his right and walked 25 meters. At what distance is he from the starting point and in which direction?

Choices

Choice (4) Response

a.

65 meters – east

b.

55 meters – north

c.

55 meters – east

d.

50 meters – east

Question number: 153

» Mental Ability » Basic Arithmetic

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Question

In a row of fruits, one fruit is eleventh from one end of the row and ninth from another end of that row. Then five fruits are sold. How many fruits are remain in the row?

Choices

Choice (4) Response

a.

19

b.

14

c.

16

d.

15

Question number: 154

» Mental Ability » Basic Arithmetic

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Question

A teacher requires 20 days to complete 8 chapters of a book in a class. How many chapters can be complete of that book in 30 days?

Choices

Choice (4) Response

a.

24

b.

16

c.

18

d.

12