Average of 15 numbers 1360. If average of 9 is 1355, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 1360. If average of 9 is 1355, average of remaining 6?

A. 1367.5

B. 1365

C. 1370

D. 1368

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum15=20400. Sum9=12195. Remaining=8205. Average=1367.5.

This question belongs to: Maths Average

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Question #1

Average of 15 numbers 1160. If average of 9 is 1155, average of remaining 6?

A. 1165

B. 1167.5

C. 1168

D. 1170

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Correct Answer: Option B

Explanation:
Sum15=17400. Sum9=10395. Remaining=7005. Average=1167.5.

This question belongs to: Maths Average

Question #2

Average of 15,30,45,60 is

A. 35

B. 40

C. 37.5

D. 38

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Correct Answer: Option C

Explanation:
Sum=150. Average=37.5.

This question belongs to: Maths Average

Question #3

Average of 21, 28, 35, 42 is

A. 32

B. 33

C. 30

D. 31.5

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Correct Answer: Option D

Explanation:
Sum=126. Average=31.5.

This question belongs to: Maths Average

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