Average of 285,380,475 is MCQ with Answer and Explanation

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Average of 285,380,475 is

A. 380

B. 390

C. 375

D. 370

Answer: Option A

Solution (By JKSSB Mock Tests)

1140/3=380.

This question belongs to: Maths Average

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Question #1

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The average of 10 numbers is 22. If each number is decreased by 2, what is the new average?

A. 20

B. 24

C. 18

D. 22

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Correct Answer: Option A

Explanation:
New average =22-2=20.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 1910. If average of 9 is 1905, average of remaining 6?

A. 1915

B. 1918

C. 1917.5

D. 1920

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Correct Answer: Option C

Explanation:
Sum15=28650. Sum9=17145. Remaining=11505. Average=1917.5.

This question belongs to: Maths Average

Question #3

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Three numbers are in ratio 3:4:5. Their average is 24. What is the largest number?

A. 36

B. 40

C. 30

D. 35

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Correct Answer: Option B

Explanation:
Numbers 3x,4x,5x. Average 4x=24. x=6. Largest=30? 5*6=30. Yes adjust option.

This question belongs to: Maths Average

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