The average of 6 numbers is 30. If each number is multiplied by 1.5, what is the new average? MCQ with Answer and Explanation

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The average of 6 numbers is 30. If each number is multiplied by 1.5, what is the new average?

A. 22.5

B. 45

C. 30

D. 60

Answer: Option B

Solution (By JKSSB Mock Tests)

New average =30×1.5=45.

This question belongs to: Maths Average

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Question #1

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Average of 15 numbers 360. If average of 9 is 355, average of remaining 6?

A. 367.5

B. 370

C. 365

D. 368

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Correct Answer: Option A

Explanation:
Sum15=5400. Sum9=3195. Remaining=2205. Average=367.5.

This question belongs to: Maths Average

Question #2

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Average of 915,1220,1525 is

A. 1210

B. 1230

C. 1220

D. 1215

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Correct Answer: Option C

Explanation:
3660/3=1220.

This question belongs to: Maths Average

Question #3

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Average of 1335,1780,2225 is

A. 1790

B. 1780

C. 1775

D. 1770

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Correct Answer: Option B

Explanation:
5340/3=1780.

This question belongs to: Maths Average

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