The average of 690,920,1150 is MCQ with Answer and Explanation

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The average of 690,920,1150 is

A. 930

B. 910

C. 920

D. 915

Answer: Option C

Solution (By JKSSB Mock Tests)

2760/3=920.

This question belongs to: Maths Average

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Question #1

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The average of 9 numbers is 27. If one number is 36, find the average of the remaining 8.

A. 25.5

B. 26.5

C. 25.875

D. 26

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Correct Answer: Option C

Explanation:
Sum=9×27=243. Remaining sum=243-36=207. Avg=207/8=25.875.

This question belongs to: Maths Average

Question #2

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Average of 65,75,85,95 is

A. 85

B. 75

C. 80

D. 78

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Correct Answer: Option C

Explanation:
320/4=80.

This question belongs to: Maths Average

Question #3

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If average of 16 numbers is 42 and average of 12 is 40, average of remaining 4?

A. 46

B. 50

C. 45

D. 48

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Correct Answer: Option D

Explanation:
Sum16=672. Sum12=480. Remaining=192. Average=48.

This question belongs to: Maths Average

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