Average of 765,1020,1275 is MCQ with Answer and Explanation

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Average of 765,1020,1275 is

A. 1020

B. 1010

C. 1015

D. 1030

Answer: Option A

Solution (By JKExamLibrary)

3060/3=1020.

This question belongs to: Maths Average

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Question #1

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The average of 5 numbers is 24. If one number is excluded, the average of the remaining 4 numbers becomes 20. What is the excluded number?

A. 40

B. 44

C. 36

D. 48

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Correct Answer: Option A

Explanation:
Total of 5 numbers = 5×24 = 120. Total of remaining 4 numbers = 4×20 = 80. Excluded number = 120−80 = 40.

This question belongs to: Maths Average

Question #2

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Average of 10,15,20,25,30 is

A. 18

B. 20

C. 25

D. 22

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Correct Answer: Option B

Explanation:
100/5=20.

This question belongs to: Maths Average

Question #3

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What is the average of the first 7 multiples of 5?

A. 30

B. 20

C. 15

D. 25

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Correct Answer: Option B

Explanation:
Multiples: 5,10,15,20,25,30,35 sum=140, count=7, avg=20.

This question belongs to: Maths Average

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