The average of 27,36,45 is MCQ with Answer and Explanation

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The average of 27,36,45 is

A. 35

B. 30

C. 36

D. 40

Answer: Option C

Solution (By JKSSB Mock Tests)

108/3=36.

This question belongs to: Maths Average

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Question #1

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If average of 16 numbers is 42 and average of 12 is 40, average of remaining 4?

A. 45

B. 50

C. 48

D. 46

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Correct Answer: Option C

Explanation:
Sum16=672. Sum12=480. Remaining=192. Average=48.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 620. If average of 8 is 615, average of remaining 4?

A. 625

B. 628

C. 630

D. 632

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Correct Answer: Option C

Explanation:
Sum12=7440. Sum8=4920. Remaining=2520. Average=630.

This question belongs to: Maths Average

Question #3

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If average of 15 numbers is 40 and one number 50 is replaced by 30, new average?

A. 41

B. 40

C. 39

D. 38

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Correct Answer: Option C

Explanation:
Change -20, decrease 20/15≈1.33, new≈38.67 approx but use exact.

This question belongs to: Maths Average

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