The average of 24,36,48 is MCQ with Answer and Explanation

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The average of 24,36,48 is

A. 38

B. 35

C. 36

D. 30

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum=108. Average=36.

This question belongs to: Maths Average

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Question #1

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Average of 12 numbers 420. If average of 8 is 415, average of remaining 4?

A. 432

B. 430

C. 425

D. 428

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Correct Answer: Option B

Explanation:
Sum12=5040. Sum8=3320. Remaining=1720. Average=430.

This question belongs to: Maths Average

Question #2

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The average of 11 numbers is 55. What is the sum of the numbers?

A. 550

B. 605

C. 615

D. 600

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Correct Answer: Option B

Explanation:
Sum = Average × Number =55×11=605.

This question belongs to: Maths Average

Question #3

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Average speed for 3 equal distances at 20,30,60 km/h?

A. 40

B. 33.33

C. 36.67

D. 30 km/h

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Correct Answer: Option D

Explanation:
3d / (d/20 +d/30 +d/60) =3 / (0.05+0.0333+0.0167) =3/0.1 =30.

This question belongs to: Maths Average

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