The average of 9 numbers is 30. If each number is increased by 2, what is the new average? MCQ with Answer and Explanation

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The average of 9 numbers is 30. If each number is increased by 2, what is the new average?

A. 28

B. 32

C. 34

D. 30

Answer: Option B

Solution (By JKSSB Mock Tests)

New average =30+2=32.

This question belongs to: Maths Average

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Question #1

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Average of 1255,2510 is

A. 1890

B. 1870

C. 1880

D. 1882.5

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Correct Answer: Option D

Explanation:
1882.5.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 1490. If average of 6 is 1485, average of remaining 3?

A. 1498

B. 1495

C. 1505

D. 1500

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Correct Answer: Option D

Explanation:
Sum9=13410. Sum6=8910. Remaining=4500. Average=1500.

This question belongs to: Maths Average

Question #3

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

A. 26

B. 30

C. 25

D. 27.5

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Correct Answer: Option D

Explanation:
Increased by 10%, average 27.5.

This question belongs to: Maths Average

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