Average of 9 numbers 840. If average of 6 is 835, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 840. If average of 6 is 835, average of remaining 3?

A. 855

B. 848

C. 850

D. 845

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum9=7560. Sum6=5010. Remaining=2550. Average=850.

This question belongs to: Maths Average

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Question #1

The average of 1530,2040,2550 is

A. 2035

B. 2040

C. 2050

D. 2030

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Correct Answer: Option B

Explanation:
6120/3=2040.

This question belongs to: Maths Average

Question #2

Average of 10 consecutive numbers is 55.5. Largest number?

A. 61

B. 62

C. 60

D. 59

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Correct Answer: Option C

Explanation:
Largest =55.5 +4.5=60.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 130. If average of 6 is 125, average of remaining 4?

A. 140

B. 135

C. 137.5

D. 138

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Correct Answer: Option C

Explanation:
Sum10=1300. Sum6=750. Remaining=550. Average=137.5.

This question belongs to: Maths Average

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