The average of 12,24,36,48 is MCQ with Answer and Explanation

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The average of 12,24,36,48 is

A. 25

B. 28

C. 32

D. 30

Answer: Option D

Solution (By JKSSB Mock Tests)

120/4=30.

This question belongs to: Maths Average

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Question #1

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Average of 6 numbers is 8.5. If two numbers 12 and 15 are added, what is the new average?

A. 9.75

B. 10

C. 9.5

D. 9

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Correct Answer: Option A

Explanation:
Sum of 6=51. New sum=51+12+15=78. Numbers=8. Average=78/8=9.75.

This question belongs to: Maths Average

Question #2

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The average of 360,480,600 is

A. 475

B. 490

C. 470

D. 480

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Correct Answer: Option D

Explanation:
1440/3=480.

This question belongs to: Maths Average

Question #3

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The average of 4 numbers is 26. If each number is decreased by 2, what is the new average?

A. 22

B. 26

C. 24

D. 28

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Correct Answer: Option C

Explanation:
New average =26-2=24.

This question belongs to: Maths Average

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