Average of 9 numbers 740. If average of 6 is 735, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 740. If average of 6 is 735, average of remaining 3?

A. 755

B. 750

C. 745

D. 748

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum9=6660. Sum6=4410. Remaining=2250. Average=750.

This question belongs to: Maths Average

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Question #1

Average of 25 numbers 42. If one number 60 replaced by 30, new average?

A. 41

B. 43

C. 42

D. 40

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Correct Answer: Option A

Explanation:
Change -30, decrease 1.2, new 40.8 approx 41.

This question belongs to: Maths Average

Question #2

The average of 450,600,750 is

A. 590

B. 595

C. 600

D. 610

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Correct Answer: Option C

Explanation:
1800/3=600.

This question belongs to: Maths Average

Question #3

Average of 12 numbers 45. If average of 9 is 42, average of remaining 3?

A. 52

B. 48

C. 50

D. 54

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Correct Answer: Option A

Explanation:
Sum12=540. Sum9=378. Remaining=162. Average=54.

This question belongs to: Maths Average

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