Average of 12 numbers 1320. If average of 8 is 1315, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 1320. If average of 8 is 1315, average of remaining 4?

A. 1328

B. 1332

C. 1325

D. 1330

Answer: Option D

Solution (By JKExamLibrary)

Sum12=15840. Sum8=10520. Remaining=5320. Average=1330.

This question belongs to: Maths Average

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Question #1

Average of 1035,1380,1725 is

A. 1375

B. 1390

C. 1380

D. 1370

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Correct Answer: Option C

Explanation:
4140/3=1380.

This question belongs to: Maths Average

Question #2

The average of 540,720,900 is

A. 710

B. 730

C. 715

D. 720

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Correct Answer: Option D

Explanation:
2160/3=720.

This question belongs to: Maths Average

Question #3

The average of 10 numbers is 25. If one number is removed, the average becomes 23. What is the removed number?

A. 38

B. 43

C. 45

D. 40

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Correct Answer: Option B

Explanation:
Sum of 10 =250. Sum of 9 =9×23=207. Removed number =250-207=43.

This question belongs to: Maths Average

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