Average of 15 numbers 460. If average of 9 is 455, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 460. If average of 9 is 455, average of remaining 6?

A. 467.5

B. 468

C. 465

D. 470

Answer: Option A

Solution (By JKExamLibrary)

Sum15=6900. Sum9=4095. Remaining=2805. Average=467.5.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 12,18,24,30 is

A. 24

B. 20

C. 21

D. 22

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Correct Answer: Option C

Explanation:
Sum=84. Average=21.

This question belongs to: Maths Average

Question #2 Report Error

The average of 5 numbers is 38. If each number is multiplied by 2 and then 5 is subtracted, what is the new average?

A. 76

B. 66

C. 71

D. 81

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Correct Answer: Option C

Explanation:
New average = (38×2) -5 =76-5=71.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 540. If average of 6 is 535, average of remaining 3?

A. 548

B. 550

C. 545

D. 555

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Correct Answer: Option B

Explanation:
Sum9=4860. Sum6=3210. Remaining=1650. Average=550.

This question belongs to: Maths Average

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