The average of 54,72,90 is MCQ with Answer and Explanation

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The average of 54,72,90 is

A. 72

B. 75

C. 70

D. 68

Answer: Option A

Solution (By JKExamLibrary)

216/3=72.

This question belongs to: Maths Average

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Question #1

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Average of 20 numbers 120. If average of 12 is 115, average of remaining 8?

A. 125

B. 127.5

C. 130

D. 126

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Correct Answer: Option B

Explanation:
Sum20=2400. Sum12=1380. Remaining=1020. Average=127.5.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 1440. If average of 6 is 1435, average of remaining 3?

A. 1445

B. 1455

C. 1448

D. 1450

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Correct Answer: Option D

Explanation:
Sum9=12960. Sum6=8610. Remaining=4350. Average=1450.

This question belongs to: Maths Average

Question #3

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Average of 8 numbers 2500. If average of 5 is 2495, average of remaining 3?

A. 2510

B. 2507

C. 2508.33

D. 2505

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Correct Answer: Option C

Explanation:
Sum8=20000. Sum5=12475. Remaining=7525. Average≈2508.33.

This question belongs to: Maths Average

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