Average of 15,25,35 is MCQ with Answer and Explanation

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Average of 15,25,35 is

A. 30

B. 25

C. 28

D. 20

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=75. Average=25.

This question belongs to: Maths Average

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Question #1

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Average of 10 numbers is 40. If each number is multiplied by 2, what is the new average?

A. 40

B. 80

C. 20

D. 60

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Correct Answer: Option B

Explanation:
If each number is multiplied by a constant, average is also multiplied by the same. New average = 40 × 2 = 80.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 970. If average of 8 is 965, average of remaining 4?

A. 975

B. 982

C. 978

D. 980

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Correct Answer: Option D

Explanation:
Sum12=11640. Sum8=7720. Remaining=3920. Average=980.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 820. If average of 8 is 815, average of remaining 4?

A. 825

B. 832

C. 828

D. 830

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Correct Answer: Option D

Explanation:
Sum12=9840. Sum8=6520. Remaining=3320. Average=830.

This question belongs to: Maths Average

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