Average of 8 numbers 400. If average of 5 is 395, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 400. If average of 5 is 395, average of remaining 3?

A. 405

B. 410

C. 407

D. 408.33

Answer: Option D

Solution (By JKExamLibrary)

Sum8=3200. Sum5=1975. Remaining=1225. Average≈408.33.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 9 consecutive odd numbers is 27. What is the smallest?

A. 21

B. 19

C. 17

D. 23

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Correct Answer: Option B

Explanation:
Middle=27. Smallest=27 -8=19.

This question belongs to: Maths Average

Question #2 Report Error

If average of 5 numbers is 36 and average of 3 is 30, average of remaining 2?

A. 42

B. 45

C. 48

D. 40

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Correct Answer: Option B

Explanation:
Sum5=180. Sum3=90. Remaining=90. Average=45.

This question belongs to: Maths Average

Question #3 Report Error

Average of 15 numbers 1410. If average of 9 is 1405, average of remaining 6?

A. 1415

B. 1420

C. 1417.5

D. 1418

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Correct Answer: Option C

Explanation:
Sum15=21150. Sum9=12645. Remaining=8505. Average=1417.5.

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