Average of 10 numbers 480. If average of 6 is 475, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 480. If average of 6 is 475, average of remaining 4?

A. 490

B. 486

C. 485

D. 487.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum10=4800. Sum6=2850. Remaining=1950. Average=487.5.

This question belongs to: Maths Average

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Question #1

Average of 885,1180,1475 is

A. 1175

B. 1190

C. 1170

D. 1180

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Correct Answer: Option D

Explanation:
3540/3=1180.

This question belongs to: Maths Average

Question #2

Average of 9 numbers 2190. If average of 6 is 2185, average of remaining 3?

A. 2198

B. 2195

C. 2200

D. 2205

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Correct Answer: Option C

Explanation:
Sum9=19710. Sum6=13110. Remaining=6600. Average=2200.

This question belongs to: Maths Average

Question #3

The average of 10 numbers is 12. If each number is divided by 4, what is the new average?

A. 3

B. 5

C. 2

D. 4

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Correct Answer: Option A

Explanation:
New average =12/4=3.

This question belongs to: Maths Average

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