If the average of 12 numbers is 30 and average of 8 is 35, average of remaining 4 is MCQ with Answer and Explanation

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If the average of 12 numbers is 30 and average of 8 is 35, average of remaining 4 is

A. 20

B. 18

C. 22.5

D. 25

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum12=360. Sum8=280. Remaining sum=80. Average=20.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 27,36,45 is

A. 36

B. 40

C. 30

D. 35

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Correct Answer: Option A

Explanation:
108/3=36.

This question belongs to: Maths Average

Question #2

If average of 8 and 12 is 10, average of 12 and 18 is 15, average of 8,12,18 is

A. 13

B. 12.67

C. 12

D. 14

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Correct Answer: Option B

Explanation:
Sum=38. Average=38/3≈12.67.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2160. If average of 9 is 2155, average of remaining 6?

A. 2165

B. 2170

C. 2167.5

D. 2168

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Correct Answer: Option C

Explanation:
Sum15=32400. Sum9=19395. Remaining=13005. Average=2167.5.

This question belongs to: Maths Average

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