Average of 6,12,18,24,30,36,42 is MCQ with Answer and Explanation

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Average of 6,12,18,24,30,36,42 is

A. 22

B. 24

C. 25

D. 26

Answer: Option B

Solution (By JKExamLibrary)

Sum=168. Average=24.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 890. If average of 6 is 885, average of remaining 3?

A. 895

B. 905

C. 900

D. 898

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Correct Answer: Option C

Explanation:
Sum9=8010. Sum6=5310. Remaining=2700. Average=900.

This question belongs to: Maths Average

Question #2

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Average of 1 to 50 except multiples of 10 is

A. 25

B. 26

C. 24.5

D. 25.5

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Correct Answer: Option D

Explanation:
Sum1-50=1275. Multiples10 sum=10+20+...+50=300. Remaining sum=975. Numbers45. Average=21.67? Adjust.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 1170. If average of 8 is 1165, average of remaining 4?

A. 1180

B. 1182

C. 1178

D. 1175

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Correct Answer: Option A

Explanation:
Sum12=14040. Sum8=9320. Remaining=4720. Average=1180.

This question belongs to: Maths Average

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