Average of 10 numbers 980. If average of 6 is 975, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 980. If average of 6 is 975, average of remaining 4?

A. 987.5

B. 986

C. 990

D. 985

Answer: Option A

Solution (By JKExamLibrary)

Sum10=9800. Sum6=5850. Remaining=3950. Average=987.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 410. If average of 9 is 405, average of remaining 6?

A. 415

B. 418

C. 417.5

D. 420

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Correct Answer: Option C

Explanation:
Sum15=6150. Sum9=3645. Remaining=2505. Average=417.5.

This question belongs to: Maths Average

Question #2 Report Error

The average of 55,65,75 is

A. 65

B. 70

C. 60

D. 68

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Correct Answer: Option A

Explanation:
195/3=65.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 65. If average of 6 is 60, average of remaining 3?

A. 80

B. 75

C. 70

D. 72

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Correct Answer: Option B

Explanation:
Sum9=585. Sum6=360. Remaining=225. Average=75.

This question belongs to: Maths Average

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