The average of 840,1120,1400 is MCQ with Answer and Explanation

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The average of 840,1120,1400 is

A. 1110

B. 1120

C. 1115

D. 1130

Answer: Option B

Solution (By JKExamLibrary)

3360/3=1120.

This question belongs to: Maths Average

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Question #1

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Average of 30, 40, 50, 60, 70 is

A. 48

B. 55

C. 50

D. 52

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Correct Answer: Option C

Explanation:
Sum=250. Average=50.

This question belongs to: Maths Average

Question #2

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Average of 10 numbers 2480. If average of 6 is 2475, average of remaining 4?

A. 2490

B. 2485

C. 2486

D. 2487.5

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Correct Answer: Option D

Explanation:
Sum10=24800. Sum6=14850. Remaining=9950. Average=2487.5.

This question belongs to: Maths Average

Question #3

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Average of 10 numbers 2780. If average of 6 is 2775, average of remaining 4?

A. 2787.5

B. 2785

C. 2786

D. 2790

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Correct Answer: Option A

Explanation:
Sum10=27800. Sum6=16650. Remaining=11150. Average=2787.5.

This question belongs to: Maths Average

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