Average of 21 consecutive numbers is 50. Smallest number? MCQ with Answer and Explanation

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Average of 21 consecutive numbers is 50. Smallest number?

A. 42

B. 39

C. 40

D. 41

Answer: Option C

Solution (By JKExamLibrary)

Middle 11th=50. Smallest=50-10=40.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 50,55,60,65 is

A. 60

B. 57.5

C. 58

D. 55

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Correct Answer: Option B

Explanation:
230/4=57.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 885,1180,1475 is

A. 1175

B. 1170

C. 1190

D. 1180

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Correct Answer: Option D

Explanation:
3540/3=1180.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 1690. If average of 6 is 1685, average of remaining 3?

A. 1705

B. 1695

C. 1698

D. 1700

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Correct Answer: Option D

Explanation:
Sum9=15210. Sum6=10110. Remaining=5100. Average=1700.

This question belongs to: Maths Average

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