Average of 12 numbers 100. If average of 8 is 95, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 100. If average of 8 is 95, average of remaining 4?

A. 110

B. 112

C. 108

D. 105

Answer: Option A

Solution (By JKExamLibrary)

Sum12=1200. Sum8=760. Remaining=440. Average=110.

This question belongs to: Maths Average

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Question #1

The average of 6 numbers is 12. If one number is 20, find the average of the rest.

A. 11

B. 9.6

C. 10

D. 10.4

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Correct Answer: Option D

Explanation:
Sum=6×12=72. Rest sum=72-20=52. Average=52/5=10.4.

This question belongs to: Maths Average

Question #2

The average marks of 12 students is 72. If a student with 88 marks leaves, what is the new average?

A. 70

B. 71

C. 70.55

D. 71.5

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Correct Answer: Option C

Explanation:
Sum=12×72=864. New sum=864-88=776. New avg=776/11=70.545≈70.55.

This question belongs to: Maths Average

Question #3

The average of 450,600,750 is

A. 590

B. 610

C. 600

D. 595

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Correct Answer: Option C

Explanation:
1800/3=600.

This question belongs to: Maths Average

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