Average of 8 numbers 2300. If average of 5 is 2295, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2300. If average of 5 is 2295, average of remaining 3?

A. 2310

B. 2307

C. 2305

D. 2308.33

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum8=18400. Sum5=11475. Remaining=6925. Average≈2308.33.

This question belongs to: Maths Average

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Question #1

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

A. 410

B. 408.33

C. 407

D. 405

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Correct Answer: Option B

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

This question belongs to: Maths Average

Question #2

Average of 20 numbers 60. If each is halved, new average?

A. 120

B. 60

C. 30

D. 15

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Correct Answer: Option C

Explanation:
30.

This question belongs to: Maths Average

Question #3

The average score of a cricketer in 10 innings is 45. If he scores 70 in the next innings, what is his new average?

A. 46.5

B. 47.0

C. 47.27

D. 48.5

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Correct Answer: Option C

Explanation:
Sum of 10 =10×45=450. Sum of 11=450+70=520. New average=520/11=47.27.

This question belongs to: Maths Average

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