Average of 12 numbers 2120. If average of 8 is 2115, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 2120. If average of 8 is 2115, average of remaining 4?

A. 2132

B. 2125

C. 2128

D. 2130

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum12=25440. Sum8=16920. Remaining=8520. Average=2130.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 11 numbers is 44. What is the sum of the numbers?

A. 440

B. 484

C. 504

D. 464

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Correct Answer: Option B

Explanation:
Sum =44×11=484.

This question belongs to: Maths Average

Question #2

The average of 5 consecutive even numbers is 12. What is the smallest number?

A. 8

B. 10

C. 6

D. 12

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Correct Answer: Option A

Explanation:
In consecutive even numbers, average = middle number. So middle (3rd) =12. Smallest =12-4=8.

This question belongs to: Maths Average

Question #3

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

A. 1332

B. 1330

C. 1325

D. 1328

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Correct Answer: Option B

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

This question belongs to: Maths Average

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