Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3?

A. 2700

B. 2698

C. 2695

D. 2705

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum9=24210. Sum6=16110. Remaining=8100. Average=2700.

This question belongs to: Maths Average

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Question #1

Find the average of all numbers from 1 to 25 that are divisible by 5.

A. 15.5

B. 14

C. 14.5

D. 15

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Correct Answer: Option D

Explanation:
Numbers: 5,10,15,20,25 sum=75, count=5, avg=15.

This question belongs to: Maths Average

Question #2

The average of 7 numbers is 29. If each number is multiplied by 3, what is the new average?

A. 58

B. 86

C. 87

D. 29

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Correct Answer: Option C

Explanation:
New average =29×3=87.

This question belongs to: Maths Average

Question #3

Average of 1 to 100 except 50 is

A. 51

B. 50

C. 50.5

D. 49.5

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Correct Answer: Option C

Explanation:
Sum1-100=5050. Minus 50=5000. /99≈50.505.

This question belongs to: Maths Average

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