The average of 1608,2144 is MCQ with Answer and Explanation

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The average of 1608,2144 is

A. 1860

B. 1876

C. 1880

D. 1870

Answer: Option B

Solution (By JKSSB Mock Tests)

1876.

This question belongs to: Maths Average

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Question #1

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The average of 35 numbers is 25. If 5 numbers average 30 are included, new average of 40?

A. 25.625

B. 25

C. 26

D. 24

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Correct Answer: Option A

Explanation:
Total35=875. Added=150. Total1025/40=25.625.

This question belongs to: Maths Average

Question #2

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The average of 600,800,1000 is

A. 800

B. 790

C. 810

D. 795

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Correct Answer: Option A

Explanation:
2400/3=800.

This question belongs to: Maths Average

Question #3

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Average of 50 numbers is 38. The number 45 was wrongly written as 54. Correct average?

A. 38

B. 37.8

C. 37.82

D. 39

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Correct Answer: Option C

Explanation:
Error +9, decrease 9/50=0.18, correct average=38-0.18=37.82.

This question belongs to: Maths Average

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