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. 1332

B. 1328

C. 1325

D. 1330

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Average of 9,18,27,36,45,54 is

A. 33

B. 32

C. 31.5

D. 30

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Correct Answer: Option C

Explanation:
189/6=31.5.

This question belongs to: Maths Average

Question #2

Average of 12 numbers 1270. If average of 8 is 1265, average of remaining 4?

A. 1275

B. 1278

C. 1280

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Correct Answer: Option C

Explanation:
Sum12=15240. Sum8=10120. Remaining=5120. Average=1280.

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Question #3

Average of 12 numbers 100. If average of 8 is 95, average of remaining 4?

A. 110

B. 112

C. 108

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Correct Answer: Option A

Explanation:
Sum12=1200. Sum8=760. Remaining=440. Average=110.

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