Average of 15 numbers 2510. If average of 9 is 2505, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 2510. If average of 9 is 2505, average of remaining 6?

A. 2518

B. 2520

C. 2517.5

D. 2515

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum15=37650. Sum9=22545. Remaining=15105. Average=2517.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 1245,1660,2075 is

A. 1660

B. 1670

C. 1655

D. 1650

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Correct Answer: Option A

Explanation:
4980/3=1660.

This question belongs to: Maths Average

Question #2

The average of 4 numbers is 15. If one of the numbers is 10, what is the average of the remaining three?

A. 16.67

B. 17

C. 16

D. 18

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Correct Answer: Option A

Explanation:
Total sum = 4 × 15 = 60. Sum of remaining three = 60 - 10 = 50. Average = 50 / 3 ≈ 16.67.

This question belongs to: Maths Average

Question #3

Average of 40 numbers is 36. If 4 numbers average 40 removed, new average of 36 numbers?

A. 34

B. 35

C. 35.56

D. 36

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Correct Answer: Option C

Explanation:
Sum40=1440. Sum4=160. Remaining=1280/36≈35.56.

This question belongs to: Maths Average

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