Average of 10 numbers 2330. If average of 6 is 2325, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2330. If average of 6 is 2325, average of remaining 4?

A. 2337.5

B. 2336

C. 2340

D. 2335

Answer: Option A

Solution (By JKExamLibrary)

Sum10=23300. Sum6=13950. Remaining=9350. Average=2337.5.

This question belongs to: Maths Average

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Question #1

Average of 15 numbers 1110. If average of 9 is 1105, average of remaining 6?

A. 1118

B. 1120

C. 1117.5

D. 1115

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Correct Answer: Option C

Explanation:
Sum15=16650. Sum9=9945. Remaining=6705. Average=1117.5.

This question belongs to: Maths Average

Question #2

Average income of 10 persons is Rs. 5000. If one leaves, average becomes Rs. 4800. Income of the person who left?

A. 6800

B. 7200

C. 7000

D. 6500

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Correct Answer: Option A

Explanation:
Sum10=50000. Sum9=43200. Left=6800.

This question belongs to: Maths Average

Question #3

The average of 5 numbers is 44. If each number is decreased by 6, what is the new average?

A. 44

B. 50

C. 38

D. 32

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Correct Answer: Option C

Explanation:
New average =44-6=38.

This question belongs to: Maths Average

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