The average of 90,120,150 is MCQ with Answer and Explanation

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The average of 90,120,150 is

A. 130

B. 115

C. 120

D. 110

Answer: Option C

Solution (By JKSSB Mock Tests)

360/3=120.

This question belongs to: Maths Average

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Question #1

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Average of 8 numbers 1750. If average of 5 is 1745, average of remaining 3?

A. 1758.33

B. 1755

C. 1757

D. 1760

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Correct Answer: Option A

Explanation:
Sum8=14000. Sum5=8725. Remaining=5275. Average≈1758.33.

This question belongs to: Maths Average

Question #2

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The average of 6 numbers is 17. If one number is 20, find the average of the remaining 5.

A. 16.4

B. 16.8

C. 16.6

D. 17.0

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Correct Answer: Option A

Explanation:
Sum=6×17=102. Remaining sum=102-20=82. Avg=82/5=16.4.

This question belongs to: Maths Average

Question #3

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What is the average of all factors of 24?

A. 7.5

B. 6

C. 8

D. 9

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Correct Answer: Option A

Explanation:
Factors:1,2,3,4,6,8,12,24. Sum=60. Average=60/8=7.5.

This question belongs to: Maths Average

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