Average of 25 numbers 70. If average of 15 is 75, average of remaining 10? MCQ with Answer and Explanation

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Average of 25 numbers 70. If average of 15 is 75, average of remaining 10?

A. 63

B. 62.5

C. 65

D. 60

Answer: Option B

Solution (By JKExamLibrary)

Total=1750. Sum15=1125. Remaining=625/10=62.5.

This question belongs to: Maths Average

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Question #1 Report Error

A batsman average 40 in 10 innings. To raise average to 42 in 11 innings, runs in 11th?

A. 58

B. 62

C. 60

D. 64

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Correct Answer: Option B

Explanation:
Total for 11=462. In 10=400. Required=62.

This question belongs to: Maths Average

Question #2 Report Error

Average of 975,1300,1625 is

A. 1310

B. 1290

C. 1295

D. 1300

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Correct Answer: Option D

Explanation:
3900/3=1300.

This question belongs to: Maths Average

Question #3 Report Error

Average of 10 numbers 2030. If average of 6 is 2025, average of remaining 4?

A. 2040

B. 2035

C. 2037.5

D. 2036

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Correct Answer: Option C

Explanation:
Sum10=20300. Sum6=12150. Remaining=8150. Average=2037.5.

This question belongs to: Maths Average

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