Average of 1485,1980,2475 is MCQ with Answer and Explanation

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Average of 1485,1980,2475 is

A. 1980

B. 1970

C. 1990

D. 1975

Answer: Option A

Solution (By JKSSB Mock Tests)

5940/3=1980.

This question belongs to: Maths Average

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Question #1

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The average of 480,640,800 is

A. 630

B. 640

C. 635

D. 650

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Correct Answer: Option B

Explanation:
1920/3=640.

This question belongs to: Maths Average

Question #2

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The average marks of 25 students is 70. If the marks of one student were misread as 80 instead of 60, find the correct average.

A. 70.0

B. 68.8

C. 69.2

D. 69.8

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Correct Answer: Option C

Explanation:
Total sum misread =25×70=1750. Correct sum =1750 -80 +60 =1730. Correct average =1730/25=69.2.

This question belongs to: Maths Average

Question #3

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The average of 27,36,45 is

A. 40

B. 36

C. 30

D. 35

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Correct Answer: Option B

Explanation:
108/3=36.

This question belongs to: Maths Average

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