Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3?

A. 1248

B. 1245

C. 1250

D. 1255

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum9=11160. Sum6=7410. Remaining=3750. Average=1250.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 2770. If average of 8 is 2765, average of remaining 4?

A. 2780

B. 2782

C. 2778

D. 2775

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Correct Answer: Option A

Explanation:
Sum12=33240. Sum8=22120. Remaining=11120. Average=2780.

This question belongs to: Maths Average

Question #2

The average of 6 numbers is 25. If 5 numbers average 24, the 6th is

A. 30

B. 29

C. 26

D. 28

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Correct Answer: Option B

Explanation:
6th =150 -120=30? Sum6=150. 5*24=120. 30.

This question belongs to: Maths Average

Question #3

Average of 9 numbers 65. If average of 6 is 60, average of remaining 3?

A. 70

B. 75

C. 80

D. 72

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Correct Answer: Option B

Explanation:
Sum9=585. Sum6=360. Remaining=225. Average=75.

This question belongs to: Maths Average

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