Average of 12 numbers 160. If average of 8 is 155, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 160. If average of 8 is 155, average of remaining 4?

A. 170

B. 168

C. 165

D. 172

Answer: Option A

Solution (By JKExamLibrary)

Sum12=1920. Sum8=1240. Remaining=680. Average=170.

This question belongs to: Maths Average

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The average of 18,36,54 is

A. 40

B. 36

C. 32

D. 30

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Correct Answer: Option B

Explanation:
108/3=36.

This question belongs to: Maths Average

Question #2 Report Error

The average of 7 numbers is 50. If each number is increased by 5, what is the new average?

A. 60

B. 50

C. 45

D. 55

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Correct Answer: Option D

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New average =50+5=55.

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The average of 1170,1560,1950 is

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B. 1560

C. 1555

D. 1570

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