Average of 20 numbers 35. If 5 numbers average 40 included, new average of 25? MCQ with Answer and Explanation

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Average of 20 numbers 35. If 5 numbers average 40 included, new average of 25?

A. 35.8

B. 34

C. 37

D. 36

Answer: Option D

Solution (By JKExamLibrary)

Total20=700. Added=200. Total900/25=36.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 9 numbers 2490. If average of 6 is 2485, average of remaining 3?

A. 2498

B. 2500

C. 2495

D. 2505

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Correct Answer: Option B

Explanation:
Sum9=22410. Sum6=14910. Remaining=7500. Average=2500.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 2040. If average of 6 is 2035, average of remaining 3?

A. 2048

B. 2050

C. 2045

D. 2055

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Correct Answer: Option B

Explanation:
Sum9=18360. Sum6=12210. Remaining=6150. Average=2050.

This question belongs to: Maths Average

Question #3 Report Error

Average of 15 numbers 560. If average of 9 is 555, average of remaining 6?

A. 568

B. 570

C. 565

D. 567.5

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Correct Answer: Option D

Explanation:
Sum15=8400. Sum9=4995. Remaining=3405. Average=567.5.

This question belongs to: Maths Average

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