The average of 6 numbers is 18. If one number is 30, find the average of the remaining 5. MCQ with Answer and Explanation

The average of 6 numbers is 18. If one number is 30, find the average of the remaining 5.
A. 15.6
B. 14.4
C. 16
D. 16.8
Answer: Option A
Solution (By JKSSB Mock Tests)
Sum=6×18=108. Remaining sum=108-30=78. Avg=78/5=15.6.

This question belongs to: Maths Average
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Question #1
The average of 4 numbers is 16. If one number is 24, find the average of the other three.
A. 14
B. 13.33
C. 12
D. 13

Correct Answer: Option B


Explanation:
Sum=4×16=64. Other sum=64-24=40. Avg=40/3=13.33.

This question belongs to: Maths Average
Question #2
Average of 8 numbers is 50. If average of 5 is 45, average of other 3?
A. 60
B. 50
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D. 55

Correct Answer: Option C


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A. 2100
B. 2110
C. 2090
D. 2095

Correct Answer: Option A


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