The average of all even numbers from 2 to 40 is MCQ with Answer and Explanation

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The average of all even numbers from 2 to 40 is

A. 20

B. 19

C. 21

D. 22

Answer: Option C

Solution (By JKSSB Mock Tests)

(2+40)/2=21.

This question belongs to: Maths Average

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Question #1

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Average of 9 consecutive even numbers is 30. Smallest?

A. 20

B. 24

C. 22

D. 26

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Correct Answer: Option C

Explanation:
Middle 5th=30. Smallest=30-8=22.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 1770. If average of 8 is 1765, average of remaining 4?

A. 1778

B. 1775

C. 1780

D. 1782

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Correct Answer: Option C

Explanation:
Sum12=21240. Sum8=14120. Remaining=7120. Average=1780.

This question belongs to: Maths Average

Question #3

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Average of 1155,1540,1925 is

A. 1550

B. 1530

C. 1540

D. 1535

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Correct Answer: Option C

Explanation:
4620/3=1540.

This question belongs to: Maths Average

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