Average of 315,420,525 is MCQ with Answer and Explanation

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Average of 315,420,525 is

A. 415

B. 410

C. 430

D. 420

Answer: Option D

Solution (By JKSSB Mock Tests)

1260/3=420.

This question belongs to: Maths Average

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Question #1

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Average of 8 numbers 1400. If average of 5 is 1395, average of remaining 3?

A. 1410

B. 1408.33

C. 1407

D. 1405

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Correct Answer: Option B

Explanation:
Sum8=11200. Sum5=6975. Remaining=4225. Average≈1408.33.

This question belongs to: Maths Average

Question #2

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The average of 6 numbers is 20. If one number is 10, find the average of the rest.

A. 22

B. 20.5

C. 21.5

D. 21

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Correct Answer: Option A

Explanation:
Sum=6×20=120. Rest sum=120-10=110. Avg=110/5=22.

This question belongs to: Maths Average

Question #3

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The average of a set of 8 numbers is 32. If one number is 50, what is the average of the remaining numbers?

A. 29.43

B. 31.00

C. 28.57

D. 30.25

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Correct Answer: Option A

Explanation:
Sum of 8 = 256. Sum of remaining 7 = 256-50=206. Average = 206/7 ≈ 29.43.

This question belongs to: Maths Average

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