Average of 8 numbers 350. If average of 5 is 345, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 350. If average of 5 is 345, average of remaining 3?

A. 357

B. 360

C. 355

D. 358.33

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum8=2800. Sum5=1725. Remaining=1075. Average≈358.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 42,56,70 is

A. 56

B. 60

C. 50

D. 55

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Correct Answer: Option A

Explanation:
168/3=56.

This question belongs to: Maths Average

Question #2

Average of 12 numbers is 40. If average of first 7 is 38, what is average of last 5?

A. 40

B. 42

C. 43

D. 44

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Correct Answer: Option C

Explanation:
Sum12=480. Sum first7=266. Sum last5=214. Average last5=42.8 ≈ but use exact numbers.

This question belongs to: Maths Average

Question #3

Average of 12 numbers 2720. If average of 8 is 2715, average of remaining 4?

A. 2728

B. 2730

C. 2732

D. 2725

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Correct Answer: Option B

Explanation:
Sum12=32640. Sum8=21720. Remaining=10920. Average=2730.

This question belongs to: Maths Average

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