The average of 6 numbers is 18. If one number is 12, find the average of the remaining 5. MCQ with Answer and Explanation

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The average of 6 numbers is 18. If one number is 12, find the average of the remaining 5.

A. 18.4

B. 19.2

C. 19

D. 18.6

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=6×18=108. Remaining sum=108-12=96. Avg=96/5=19.2.

This question belongs to: Maths Average

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Question #1

If average of 5 numbers is 36 and average of 3 is 30, average of remaining 2?

A. 48

B. 45

C. 40

D. 42

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Correct Answer: Option B

Explanation:
Sum5=180. Sum3=90. Remaining=90. Average=45.

This question belongs to: Maths Average

Question #2

Average of 18 numbers 50. If 6 numbers average 55, average of remaining 12?

A. 48

B. 47.5

C. 46

D. 45

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Correct Answer: Option B

Explanation:
Sum18=900. Sum6=330. Remaining=570/12=47.5.

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Question #3

Average of 1065,1420,1775 is

A. 1430

B. 1420

C. 1415

D. 1410

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Correct Answer: Option B

Explanation:
4260/3=1420.

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