Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3?

A. 2698

B. 2700

C. 2695

D. 2705

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum9=24210. Sum6=16110. Remaining=8100. Average=2700.

This question belongs to: Maths Average

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Question #1

The average of 450,600,750 is

A. 600

B. 595

C. 610

D. 590

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Correct Answer: Option A

Explanation:
1800/3=600.

This question belongs to: Maths Average

Question #2

Average of 5 numbers is 30. If average of first 3 is 28, average of last 3 is 32, then the 3rd number is

A. 28

B. 32

C. 31

D. 30

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Correct Answer: Option D

Explanation:
Sum5=150. Sum1-3=84. Sum3-5=96. 3rd =84 +96 -150=30.

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Question #3

Average of 9 numbers 175. If average of 6 is 170, average of remaining 3?

A. 180

B. 185

C. 182

D. 188

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Correct Answer: Option B

Explanation:
Sum9=1575. Sum6=1020. Remaining=555. Average=185.

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