Average of 10 numbers 2730. If average of 6 is 2725, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2730. If average of 6 is 2725, average of remaining 4?

A. 2736

B. 2740

C. 2737.5

D. 2735

Answer: Option C

Solution (By JKExamLibrary)

Sum10=27300. Sum6=16350. Remaining=10950. Average=2737.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15,30,45,60,75 is

A. 50

B. 40

C. 45

D. 42

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Correct Answer: Option C

Explanation:
225/5=45.

This question belongs to: Maths Average

Question #2 Report Error

The average of 8 numbers is 50. If one number 70 is replaced by 54, what is the new average?

A. 48

B. 52

C. 49

D. 50

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Correct Answer: Option A

Explanation:
Original total = 8×50 = 400. New total = 400−70+54 = 384. New average = 384/8 = 48.

This question belongs to: Maths Average

Question #3 Report Error

Average of 10 numbers 190. If average of 6 is 185, average of remaining 4?

A. 200

B. 197.5

C. 196

D. 195

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Correct Answer: Option B

Explanation:
Sum10=1900. Sum6=1110. Remaining=790. Average=197.5.

This question belongs to: Maths Average

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