Average of 9 numbers 1540. If average of 6 is 1535, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1540. If average of 6 is 1535, average of remaining 3?

A. 1550

B. 1545

C. 1548

D. 1555

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum9=13860. Sum6=9210. Remaining=4650. Average=1550.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 1020. If average of 8 is 1015, average of remaining 4?

A. 1025

B. 1030

C. 1032

D. 1028

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Correct Answer: Option B

Explanation:
Sum12=12240. Sum8=8120. Remaining=4120. Average=1030.

This question belongs to: Maths Average

Question #2

Average of 15 numbers 410. If average of 9 is 405, average of remaining 6?

A. 418

B. 420

C. 415

D. 417.5

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Correct Answer: Option D

Explanation:
Sum15=6150. Sum9=3645. Remaining=2505. Average=417.5.

This question belongs to: Maths Average

Question #3

Average of 20 numbers 25. If each increased by 5, new average?

A. 25

B. 32

C. 28

D. 30

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Correct Answer: Option D

Explanation:
New average=30.

This question belongs to: Maths Average

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