NCO- Cyber Olympiad Class 9: Questions 216 - 221 of 410

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Question number: 216

» Mental Ability » Basic Algebra

MCQ▾

Question

If (a-2) is factor of a2x + 4ax-1 , find the value of a.

Choices

Choice (4) Response

a.

17

b.

15

c.

16

d.

112

Question number: 217

» Mental Ability » Basic Arithmetic

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.

100 gm

b.

50 gm

c.

150 gm

d.

200 gm

Question number: 218

» Non Verbal Reasoning » Cubes and Dices

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

Different color name of unfolded cube and find the red color opposite site color

Choices

Choice (4) Response

a.

Yellow

b.

Green

c.

Purple

d.

Blue

Question number: 219

» Mental Ability » Basic Algebra

MCQ▾

Question

What is equivalent to (15abc2)(2a3b4) ?

Choices

Choice (4) Response

a.

20a5b9c

b.

30a4b5c2

c.

a5b9

d.

10abc

Question number: 220

» Verbal Reasoning » Analogies

MCQ▾

Question

‘Arc’ is related to ‘Circle’ in the same way ‘Part’ is related to ________.

Choices

Choice (4) Response

a.

Pentagon

b.

Trapezoid

c.

Triangle

d.

Whole

Question number: 221

» Mental Ability » Ranking Test

MCQ▾

Question

Avinash is Ravi’s eldest brother. Ravi is younger than Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?

Choices

Choice (4) Response

a.

Ajay is younger than Avinash

b.

Avinash is younger than Ajay

c.

Ajay is younger than Ravi

d.

None of the above

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