Average of 10 numbers 830. If average of 6 is 825, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 830. If average of 6 is 825, average of remaining 4?

A. 837.5

B. 836

C. 840

D. 835

Answer: Option A

Solution (By JKExamLibrary)

Sum10=8300. Sum6=4950. Remaining=3350. Average=837.5.

This question belongs to: Maths Average

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Question #1

Average of 1375,2750 is

A. 2070

B. 2060

C. 2050

D. 2062.5

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Correct Answer: Option D

Explanation:
2062.5.

This question belongs to: Maths Average

Question #2

The average of 90,120,150 is

A. 110

B. 115

C. 130

D. 120

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Correct Answer: Option D

Explanation:
360/3=120.

This question belongs to: Maths Average

Question #3

Average of even numbers between 1 and 31 is

A. 18

B. 15

C. 16

D. 17

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Correct Answer: Option C

Explanation:
2 to 30, 15 numbers. Average (2+30)/2=16.

This question belongs to: Maths Average

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