The average of 55,65,75,85 is MCQ with Answer and Explanation

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The average of 55,65,75,85 is

A. 65

B. 75

C. 70

D. 72

Answer: Option C

Solution (By JKSSB Mock Tests)

280/4=70.

This question belongs to: Maths Average

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Question #1

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Average of 40,60,80,100 is

A. 72

B. 65

C. 70

D. 75

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Correct Answer: Option C

Explanation:
280/4=70.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 660. If average of 9 is 655, average of remaining 6?

A. 670

B. 667.5

C. 668

D. 665

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Correct Answer: Option B

Explanation:
Sum15=9900. Sum9=5895. Remaining=4005. Average=667.5.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 320. If average of 8 is 315, average of remaining 4?

A. 332

B. 325

C. 330

D. 328

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Correct Answer: Option C

Explanation:
Sum12=3840. Sum8=2520. Remaining=1320. Average=330.

This question belongs to: Maths Average

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