NCO- Cyber Olympiad (SOF) Class 9: Questions 213 - 218 of 522

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Question number: 213

» Mental Ability » Basic Geometry

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MCQ▾

Question

How many circles of 3 cm radius can be drawn through each of three given 3 points as center of the circle?

Choices

Choice (4)Response

a.

Infinity

b.

3 only

c.

9 only

d.

All of the above

Question number: 214

» Verbal Reasoning » Coding-Decoding

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MCQ▾

Question

If PLAY is coded as 8123 and RHYME as 49367, how is MALE coded?

Choices

Choice (4)Response

a.

6198

b.

6217

c.

6285

d.

6395

Question number: 215

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

The bacteria in a culture grows by 20 % in the first hour, decreases by 10 % in the second hour and again increases by 20 % in the third hour. If at the end of the third hour the count of bacteria is 100000. The original count of bacteria in the sample is________

Choices

Choice (4)Response

a.

129600

b.

129300

c.

129900

d.

129000

Question number: 216

» Mental Ability » Basic Algebra

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MCQ▾

Question

If is factor of , find the value of a.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 217

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

Sterling gold is 92.5 % pure gold. How many grams of sterling gold must be mixed to a 90 % gold alloy to obtain a 500 gm of a 91 % gold alloy?

Choices

Choice (4)Response

a.

50 gm

b.

150 gm

c.

200 gm

d.

100 gm

Question number: 218

» Non Verbal Reasoning » Cubes and Dices

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MCQ▾

Question

If the figure shown is folded to make a cube, then what is the letter opposite Red color?

Different color name of unfolded cube

Different Color Name of Unfolded Cube

Choices

Choice (4)Response

a.

Purple

b.

Blue

c.

Green

d.

Yellow

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