Average of 10 numbers 430. If average of 6 is 425, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 430. If average of 6 is 425, average of remaining 4?

A. 435

B. 437.5

C. 440

D. 436

Answer: Option B

Solution (By JKExamLibrary)

Sum10=4300. Sum6=2550. Remaining=1750. Average=437.5.

This question belongs to: Maths Average

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Average of 50 and 60 is 55, average of 60 and 70 is 65, average of 50,60,70 is

A. 60

B. 61

C. 58.33

D. 59

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Correct Answer: Option A

Explanation:
Sum=180. Average=60.

This question belongs to: Maths Average

Question #2 Report Error

The average of 15,25,35,45,55 is

A. 40

B. 36

C. 30

D. 35

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Correct Answer: Option D

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Sum=175. Average=35.

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Question #3 Report Error

The average of first 10 prime numbers is

A. 12

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C. 13

D. 15

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Correct Answer: Option B

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