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. 25

B. 18

C. 22.5

D. 20

Answer: Option D

Solution (By JKExamLibrary)

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 Report Error

Average of 1365,1820,2275 is

A. 1820

B. 1815

C. 1810

D. 1830

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Correct Answer: Option A

Explanation:
5460/3=1820.

This question belongs to: Maths Average

Question #2 Report Error

Find the average of the first 6 multiples of 3.

A. 10

B. 11

C. 9.5

D. 10.5

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Correct Answer: Option D

Explanation:
Multiples:3,6,9,12,15,18 sum=63, count=6, avg=10.5.

This question belongs to: Maths Average

Question #3 Report Error

The average of 8 numbers is 34. If each number is multiplied by 1.5, what is the new average?

A. 25.5

B. 34

C. 68

D. 51

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Correct Answer: Option D

Explanation:
New average =34×1.5=51.

This question belongs to: Maths Average

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