Average of 25,35,45,55 is MCQ with Answer and Explanation

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Average of 25,35,45,55 is

A. 45

B. 38

C. 40

D. 42

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum=160. Average=40.

This question belongs to: Maths Average

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Question #1

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The average of 6 numbers is 22. If one number is 10, find the average of the remaining 5 numbers.

A. 24.4

B. 22.8

C. 23.6

D. 25

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Correct Answer: Option A

Explanation:
Sum of 6 = 6×22=132. Sum of 5 =132-10=122. Average =122/5=24.4.

This question belongs to: Maths Average

Question #2

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Average of 30,60,90,120 is

A. 70

B. 75

C. 80

D. 85

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Correct Answer: Option B

Explanation:
300/4=75.

This question belongs to: Maths Average

Question #3

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Average of 10 numbers 28. If average of 6 is 25, average of remaining 4?

A. 32.5

B. 35

C. 33

D. 30

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Correct Answer: Option A

Explanation:
Sum10=280. Sum6=150. Remaining=130. Average=32.5.

This question belongs to: Maths Average

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