Average of 10 numbers 2430. If average of 6 is 2425, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2430. If average of 6 is 2425, average of remaining 4?

A. 2436

B. 2440

C. 2435

D. 2437.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum10=24300. Sum6=14550. Remaining=9750. Average=2437.5.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 2770. If average of 8 is 2765, average of remaining 4?

A. 2775

B. 2782

C. 2778

D. 2780

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Correct Answer: Option D

Explanation:
Sum12=33240. Sum8=22120. Remaining=11120. Average=2780.

This question belongs to: Maths Average

Question #2

Average of 345,460,575 is

A. 470

B. 460

C. 455

D. 450

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Correct Answer: Option B

Explanation:
1380/3=460.

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Question #3

Average of all three digit numbers is

A. 600

B. 550

C. 549.5

D. 500

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Correct Answer: Option C

Explanation:
(100+999)/2=549.5.

This question belongs to: Maths Average

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