The average of 1260,1680,2100 is MCQ with Answer and Explanation

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The average of 1260,1680,2100 is

A. 1690

B. 1675

C. 1680

D. 1670

Answer: Option C

Solution (By JKSSB Mock Tests)

5040/3=1680.

This question belongs to: Maths Average

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Question #1

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The average of 7 numbers is 30. If each number is divided by 2, what is the new average?

A. 13

B. 14

C. 15

D. 16

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Correct Answer: Option C

Explanation:
New average =30/2=15.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 770. If average of 8 is 765, average of remaining 4?

A. 780

B. 778

C. 775

D. 782

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Correct Answer: Option A

Explanation:
Sum12=9240. Sum8=6120. Remaining=3120. Average=780.

This question belongs to: Maths Average

Question #3

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The average of 4 consecutive odd numbers is 32. What is the smallest number?

A. 31

B. 27

C. 33

D. 29

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Correct Answer: Option D

Explanation:
Numbers are 29,31,33,35. Their average is 32. Smallest number = 29.

This question belongs to: Maths Average

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