Average of 10 numbers 880. If average of 6 is 875, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 880. If average of 6 is 875, average of remaining 4?

A. 887.5

B. 886

C. 890

D. 885

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum10=8800. Sum6=5250. Remaining=3550. Average=887.5.

This question belongs to: Maths Average

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Question #1

The average of 7 consecutive numbers is 33. What is the sum of the numbers?

A. 220

B. 210

C. 240

D. 231

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Correct Answer: Option D

Explanation:
Sum = average × numbers = 33 × 7 = 231.

This question belongs to: Maths Average

Question #2

Average of 18 numbers 50. If 6 numbers average 55, average of remaining 12?

A. 47.5

B. 48

C. 46

D. 45

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Correct Answer: Option A

Explanation:
Sum18=900. Sum6=330. Remaining=570/12=47.5.

This question belongs to: Maths Average

Question #3

The average of 660,880,1100 is

A. 880

B. 875

C. 870

D. 890

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Correct Answer: Option A

Explanation:
2640/3=880.

This question belongs to: Maths Average

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