Average of 15 numbers 25. If each increased by 3, new average? MCQ with Answer and Explanation

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Average of 15 numbers 25. If each increased by 3, new average?

A. 27

B. 28

C. 25

D. 26

Answer: Option B

Solution (By JKSSB Mock Tests)

New average =25+3=28.

This question belongs to: Maths Average

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Question #1

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If average of 5 numbers is 36 and average of 3 is 30, average of remaining 2?

A. 48

B. 45

C. 40

D. 42

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Correct Answer: Option B

Explanation:
Sum5=180. Sum3=90. Remaining=90. Average=45.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers 2650. If average of 5 is 2645, average of remaining 3?

A. 2655

B. 2658.33

C. 2660

D. 2657

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Correct Answer: Option B

Explanation:
Sum8=21200. Sum5=13225. Remaining=7975. Average≈2658.33.

This question belongs to: Maths Average

Question #3

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The average of 210,280,350 is

A. 275

B. 290

C. 270

D. 280

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Correct Answer: Option D

Explanation:
840/3=280.

This question belongs to: Maths Average

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