Average of 12 numbers 2420. If average of 8 is 2415, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 2420. If average of 8 is 2415, average of remaining 4?

A. 2425

B. 2432

C. 2428

D. 2430

Answer: Option D

Solution (By JKExamLibrary)

Sum12=29040. Sum8=19320. Remaining=9720. Average=2430.

This question belongs to: Maths Average

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Average of 16 numbers 25. If 4 numbers average 30, average of remaining 12?

A. 23.33

B. 24

C. 25

D. 22

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Correct Answer: Option A

Explanation:
Sum16=400. Sum4=120. Remaining=280/12≈23.33.

This question belongs to: Maths Average

Question #2 Report Error

The average of 60,70,80 is

A. 75

B. 70

C. 65

D. 72

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Average of 405,540,675 is

A. 550

B. 540

C. 535

D. 530

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Correct Answer: Option B

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