The average of 6 numbers is 28. If each is increased by 50%, new average? MCQ with Answer and Explanation

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The average of 6 numbers is 28. If each is increased by 50%, new average?

A. 40

B. 42

C. 35

D. 28

Answer: Option B

Solution (By JKSSB Mock Tests)

Increased by 50%, average 28*1.5=42.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 2750. If average of 5 is 2745, average of remaining 3?

A. 2758.33

B. 2757

C. 2755

D. 2760

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Correct Answer: Option A

Explanation:
Sum8=22000. Sum5=13725. Remaining=8275. Average≈2758.33.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 1730. If average of 6 is 1725, average of remaining 4?

A. 1736

B. 1737.5

C. 1735

D. 1740

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Correct Answer: Option B

Explanation:
Sum10=17300. Sum6=10350. Remaining=6950. Average=1737.5.

This question belongs to: Maths Average

Question #3

The average of 8 numbers is 40. If one number is 20, find the average of the remaining 7.

A. 41.5

B. 42

C. 42.86

D. 43

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Correct Answer: Option C

Explanation:
Sum=8×40=320. Remaining sum=320-20=300. Avg=300/7=42.86.

This question belongs to: Maths Average

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