Average of 8 numbers 2250. If average of 5 is 2245, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2250. If average of 5 is 2245, average of remaining 3?

A. 2255

B. 2257

C. 2260

D. 2258.33

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum8=18000. Sum5=11225. Remaining=6775. Average≈2258.33.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 650. If average of 5 is 645, average of remaining 3?

A. 655

B. 660

C. 658.33

D. 657

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Correct Answer: Option C

Explanation:
Sum8=5200. Sum5=3225. Remaining=1975. Average≈658.33.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 2370. If average of 8 is 2365, average of remaining 4?

A. 2375

B. 2382

C. 2380

D. 2378

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Correct Answer: Option C

Explanation:
Sum12=28440. Sum8=18920. Remaining=9520. Average=2380.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 2780. If average of 6 is 2775, average of remaining 4?

A. 2786

B. 2785

C. 2787.5

D. 2790

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Correct Answer: Option C

Explanation:
Sum10=27800. Sum6=16650. Remaining=11150. Average=2787.5.

This question belongs to: Maths Average

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