Average of 8 numbers 700. If average of 5 is 695, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 700. If average of 5 is 695, average of remaining 3?

A. 710

B. 705

C. 708.33

D. 707

Answer: Option C

Solution (By JKExamLibrary)

Sum8=5600. Sum5=3475. Remaining=2125. Average≈708.33.

This question belongs to: Maths Average

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Question #1

Average of 9 numbers 2290. If average of 6 is 2285, average of remaining 3?

A. 2298

B. 2305

C. 2295

D. 2300

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Correct Answer: Option D

Explanation:
Sum9=20610. Sum6=13710. Remaining=6900. Average=2300.

This question belongs to: Maths Average

Question #2

Find the average of the first 5 multiples of 6.

A. 15

B. 16

C. 18

D. 20

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Correct Answer: Option C

Explanation:
Multiples:6,12,18,24,30 sum=90, count=5, avg=18.

This question belongs to: Maths Average

Question #3

The average monthly income of a person for 12 months is ₹30,000. If he earned ₹36,000 in one month, the average income for the remaining 11 months is:

A. ₹29,454.55

B. ₹31,000

C. ₹30,000

D. ₹29,000

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Correct Answer: Option A

Explanation:
Total income = 12×30000 = 360000. Remaining income = 360000−36000 = 324000. Average = 324000/11 = 29454.55.

This question belongs to: Maths Average

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