Average of 25 numbers is 36. If one number 48 is replaced by 24, new average? MCQ with Answer and Explanation

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Average of 25 numbers is 36. If one number 48 is replaced by 24, new average?

A. 36

B. 35

C. 35.04

D. 34

Answer: Option C

Solution (By JKSSB Mock Tests)

Change -24, decrease 0.96, new≈35.04.

This question belongs to: Maths Average

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Question #1

Average of 12 numbers 40. If average of 8 is 38, average of remaining 4?

A. 44

B. 45

C. 42

D. 46

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Correct Answer: Option A

Explanation:
Sum12=480. Sum8=304. Remaining=176. Average=44.

This question belongs to: Maths Average

Question #2

Average of 1095,1460,1825 is

A. 1470

B. 1460

C. 1450

D. 1455

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Correct Answer: Option B

Explanation:
4380/3=1460.

This question belongs to: Maths Average

Question #3

Average speed for two equal times at 30 and 50 km/h?

A. 40 km/h

B. 38 km/h

C. 42 km/h

D. 45 km/h

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Correct Answer: Option A

Explanation:
Arithmetic mean for equal time: (30+50)/2=40.

This question belongs to: Maths Average

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