The average of 18,36,54 is MCQ with Answer and Explanation

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The average of 18,36,54 is

A. 40

B. 36

C. 32

D. 30

Answer: Option B

Solution (By JKSSB Mock Tests)

108/3=36.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 1490. If average of 6 is 1485, average of remaining 3?

A. 1498

B. 1505

C. 1495

D. 1500

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Correct Answer: Option D

Explanation:
Sum9=13410. Sum6=8910. Remaining=4500. Average=1500.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3?

A. 2705

B. 2700

C. 2698

D. 2695

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Correct Answer: Option B

Explanation:
Sum9=24210. Sum6=16110. Remaining=8100. Average=2700.

This question belongs to: Maths Average

Question #3

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Average of 7 consecutive odd numbers is 35. Largest number?

A. 41

B. 39

C. 37

D. 43

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Correct Answer: Option A

Explanation:
Middle=35. Largest=35+6=41.

This question belongs to: Maths Average

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