Average of 25 numbers 65. If average of 10 is 60, average of remaining 15? MCQ with Answer and Explanation

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Average of 25 numbers 65. If average of 10 is 60, average of remaining 15?

A. 66

B. 70

C. 67

D. 68

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum25=1625. Sum10=600. Remaining=1025/15≈68.33 approx 68.

This question belongs to: Maths Average

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Question #1

Average of 25 numbers 40. If average of 15 is 35, average of remaining 10?

A. 46

B. 48

C. 47.5

D. 45

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Correct Answer: Option C

Explanation:
Sum25=1000. Sum15=525. Remaining=475. Average=47.5.

This question belongs to: Maths Average

Question #2

Average of 1035,1380,1725 is

A. 1390

B. 1380

C. 1370

D. 1375

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Correct Answer: Option B

Explanation:
4140/3=1380.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 140. If average of 5 is 135, average of remaining 3?

A. 147

B. 148.33

C. 145

D. 150

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Correct Answer: Option B

Explanation:
Sum8=1120. Sum5=675. Remaining=445. Average≈148.33.

This question belongs to: Maths Average

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