Average of 8 numbers 2700. If average of 5 is 2695, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 2700. If average of 5 is 2695, average of remaining 3?

A. 2707

B. 2705

C. 2710

D. 2708.33

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum8=21600. Sum5=13475. Remaining=8125. Average≈2708.33.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers 790. If average of 6 is 785, average of remaining 3?

A. 795

B. 798

C. 800

D. 805

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Correct Answer: Option C

Explanation:
Sum9=7110. Sum6=4710. Remaining=2400. Average=800.

This question belongs to: Maths Average

Question #2

The average of 9 numbers is 27. If one number is wrongly taken as 45 instead of 27, the incorrect average is:

A. 28

B. 30

C. 29

D. 31

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Correct Answer: Option C

Explanation:
Correct total = 9×27 = 243. Incorrect total = 243+18 = 261. Incorrect average = 261/9 = 29.

This question belongs to: Maths Average

Question #3

Average of 24,36,48,60,72 is

A. 50

B. 45

C. 42

D. 48

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Correct Answer: Option D

Explanation:
240/5=48.

This question belongs to: Maths Average

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