NCO- Cyber Olympiad (SOF) Class 9: Questions 28 - 33 of 522

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Question number: 28

» Mental Ability » Basic Arithmetic

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Question

The bacteria in a culture grows by in the first hour, decreases by in the second hour and again increases by in the third hour. If at the end of the third hour the count of bacteria is 14000. The original count of bacteria in the sample is________

Choices

Choice (4) Response

a.

20199

b.

17199

c.

18199

d.

19199

Question number: 29

» Mental Ability » Basic Arithmetic

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Question

The ratio of the ages of Mayuri and Mayur is 4: 3. The sum of their ages is 28 years. The ratio of their ages after 8 years will be:

Choices

Choice (4) Response

a.

12: 17

b.

7: 4

c.

6: 5

d.

4: 7

Question number: 30

» Mental Ability » Days and Dates

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Question

If seventh day of a month is three days earlier than Friday, what day will it be on nineteenth day of the month?

Choices

Choice (4) Response

a.

Friday

b.

Wednesday

c.

Monday

d.

Sunday

Question number: 31

» Mental Ability » Basic Arithmetic

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Question

In a family, the father took of the cake and he had 3 times as much as each of the other members had. The total number of family member is ________

Choices

Choice (4) Response

a.

10

b.

7

c.

12

d.

3

Question number: 32

» Mental Ability » Basic Arithmetic

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Question

Only if

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 33

» Non Verbal Reasoning » Identifying and Counting Geometrical Shapes and Solids

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Question

I travelled eastward 15km and another 10km southward. I turned westward and moved 10 km and again another 10 km southward. A travel of another 5 km westward and then 20 km northward ended my journey. Identify the sketch depicting my journey.

Choices

Choice (4) Response

a.

Image define the journey – Choice A

Image Define the Journey – Choice A

Travel directions indicated eastward 15km and another 10km southward. I turned westward and moved 10 km and again another 10 km southward.

b.

Image define the journey – Choice B

Image Define the Journey – Choice B

Travel directions indicated eastward 15km and another 10km southward. I turned westward and moved 10 km and again another 10 km southward.

c.

Image define the journey – Choice C

Image Define the Journey – Choice C

Travel directions indicated eastward 15km and another 10km southward. I turned westward and moved 10 km and again another 10 km southward.

d.

Image define the journey – Choice D

Image Define the Journey – Choice D

Travel directions indicated eastward 15km and another 10km southward. I turned westward and moved 10 km and again another 10 km southward.