Average of 8 numbers 450. If average of 5 is 445, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 450. If average of 5 is 445, average of remaining 3?

A. 458.33

B. 460

C. 455

D. 457

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum8=3600. Sum5=2225. Remaining=1375. Average≈458.33.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 1050. If average of 5 is 1045, average of remaining 3?

A. 1055

B. 1057

C. 1060

D. 1058.33

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Correct Answer: Option D

Explanation:
Sum8=8400. Sum5=5225. Remaining=3175. Average≈1058.33.

This question belongs to: Maths Average

Question #2

Average of 25 numbers 40. If average of 15 is 35, average of remaining 10?

A. 46

B. 47.5

C. 45

D. 48

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Correct Answer: Option B

Explanation:
Sum25=1000. Sum15=525. Remaining=475. Average=47.5.

This question belongs to: Maths Average

Question #3

Average of 12 numbers 1870. If average of 8 is 1865, average of remaining 4?

A. 1878

B. 1880

C. 1875

D. 1882

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Correct Answer: Option B

Explanation:
Sum12=22440. Sum8=14920. Remaining=7520. Average=1880.

This question belongs to: Maths Average

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