Average of 15 numbers 1010. If average of 9 is 1005, average of remaining 6? MCQ with Answer and Explanation

Average of 15 numbers 1010. If average of 9 is 1005, average of remaining 6?
A. 1017.5
B. 1015
C. 1018
D. 1020
Answer: Option A
Solution (By JKExamLibrary)
Sum15=15150. Sum9=9045. Remaining=6105. Average=1017.5.

This question belongs to: Maths Average

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Question #1 Report Error
Average of 12, 18, 24 is
A. 20
B. 16
C. 18
D. 22

Correct Answer: Option C


Explanation:
Sum=54. Average=18.

This question belongs to: Maths Average
Question #2 Report Error
The average of 3 numbers is 24. If one number is 12 and another is 30, find the third.
A. 36
B. 30
C. 18
D. 24

Correct Answer: Option B


Explanation:
Sum=3×24=72. Third =72-12-30=30.

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Question #3 Report Error
The average of 50,60,70,80 is
A. 60
B. 70
C. 75
D. 65

Correct Answer: Option D


Explanation:
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