The average of 20,40,60,80,100 is MCQ with Answer and Explanation

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The average of 20,40,60,80,100 is

A. 55

B. 60

C. 70

D. 50

Answer: Option B

Solution (By JKSSB Mock Tests)

300/5=60.

This question belongs to: Maths Average

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Question #1

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The average of 33,44,55 is

A. 42

B. 46

C. 44

D. 45

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Correct Answer: Option C

Explanation:
Sum=132. Average=44.

This question belongs to: Maths Average

Question #2

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Average of a,b,c,d is 25. If a=20, b=30, c=25, d=?

A. 30

B. 25

C. 22

D. 20

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Correct Answer: Option B

Explanation:
d=100-75=25.

This question belongs to: Maths Average

Question #3

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Average of 18 numbers 50. If 6 numbers average 55, average of remaining 12?

A. 48

B. 45

C. 47.5

D. 46

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Correct Answer: Option C

Explanation:
Sum18=900. Sum6=330. Remaining=570/12=47.5.

This question belongs to: Maths Average

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