The average of 660,880,1100 is MCQ with Answer and Explanation

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The average of 660,880,1100 is

A. 880

B. 890

C. 875

D. 870

Answer: Option A

Solution (By JKSSB Mock Tests)

2640/3=880.

This question belongs to: Maths Average

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Question #1

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The average weight of 10 students is 45 kg. If a new student joins, the average becomes 46 kg. What is the weight of the new student?

A. 57 kg

B. 56 kg

C. 55 kg

D. 54 kg

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Correct Answer: Option B

Explanation:
Total weight of 10 = 450. Total of 11 = 11×46=506. New student's weight = 506-450=56.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 2570. If average of 8 is 2565, average of remaining 4?

A. 2582

B. 2578

C. 2580

D. 2575

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Correct Answer: Option C

Explanation:
Sum12=30840. Sum8=20520. Remaining=10320. Average=2580.

This question belongs to: Maths Average

Question #3

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Average of 1275,1700,2125 is

A. 1700

B. 1710

C. 1690

D. 1695

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Correct Answer: Option A

Explanation:
5100/3=1700.

This question belongs to: Maths Average

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