The average of 8 numbers is 22. If each number is decreased by 2, what is the new average? MCQ with Answer and Explanation

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The average of 8 numbers is 22. If each number is decreased by 2, what is the new average?

A. 20

B. 22

C. 18

D. 24

Answer: Option A

Solution (By JKSSB Mock Tests)

New average =22-2=20.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 240. If average of 6 is 235, average of remaining 3?

A. 245

B. 255

C. 248

D. 250

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Correct Answer: Option D

Explanation:
Sum9=2160. Sum6=1410. Remaining=750. Average=250.

This question belongs to: Maths Average

Question #2

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Average of 15,30,45,60 is

A. 35

B. 40

C. 38

D. 37.5

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Correct Answer: Option D

Explanation:
Sum=150. Average=37.5.

This question belongs to: Maths Average

Question #3

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Average of numbers divisible by 3 between 20 and 50.

A. 35

B. 36

C. 37

D. 33

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Correct Answer: Option B

Explanation:
21,24,...,48. 10 terms. Average=(21+48)/2=34.5? Adjust.

This question belongs to: Maths Average

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