Average of 30 numbers 25. If each number is increased by 10%, new average? MCQ with Answer and Explanation

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Average of 30 numbers 25. If each number is increased by 10%, new average?

A. 25

B. 27.5

C. 30

D. 26

Answer: Option B

Solution (By JKExamLibrary)

Increased by 10%, average 27.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 60,90,120,150 is

A. 95

B. 110

C. 105

D. 100

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Correct Answer: Option C

Explanation:
420/4=105.

This question belongs to: Maths Average

Question #2 Report Error

The average of 25,50,75 is

A. 55

B. 50

C. 60

D. 45

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Correct Answer: Option B

Explanation:
Sum=150. Average=50.

This question belongs to: Maths Average

Question #3 Report Error

The average of 5 numbers is 30. If each number is multiplied by 1.2, what is the new average?

A. 36

B. 24

C. 42

D. 30

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Correct Answer: Option A

Explanation:
New average =30×1.2=36.

This question belongs to: Maths Average

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