Average of 12,24,36,48,60 is MCQ with Answer and Explanation

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Average of 12,24,36,48,60 is

A. 36

B. 42

C. 40

D. 30

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=180. Average=36.

This question belongs to: Maths Average

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Question #1

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Average speed for round trip at 40 km/h going and 60 km/h returning?

A. 45 km/h

B. 50 km/h

C. 55 km/h

D. 48 km/h

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Correct Answer: Option D

Explanation:
2*40*60/(40+60)=48 km/h.

This question belongs to: Maths Average

Question #2

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The average of 4 numbers is 16. If one number is 24, find the average of the other three.

A. 14

B. 12

C. 13

D. 13.33

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Correct Answer: Option D

Explanation:
Sum=4×16=64. Other sum=64-24=40. Avg=40/3=13.33.

This question belongs to: Maths Average

Question #3

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What is average of all two digit numbers?

A. 54.5

B. 50

C. 45

D. 55

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Correct Answer: Option A

Explanation:
From 10 to 99, 90 numbers. Average (10+99)/2=54.5.

This question belongs to: Maths Average

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