Average of 14,21,28,35 is MCQ with Answer and Explanation

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Average of 14,21,28,35 is

A. 26

B. 24.5

C. 23

D. 25

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=98. Average=24.5.

This question belongs to: Maths Average

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Question #1

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The average of 10 numbers is 18. If one number is 28, what is the average of the remaining 9?

A. 16.5

B. 17.5

C. 16.89

D. 17.0

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Correct Answer: Option C

Explanation:
Sum=10×18=180. Remaining sum=180-28=152. Avg=152/9=16.89.

This question belongs to: Maths Average

Question #2

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What is the average of all factors of 24?

A. 9

B. 8

C. 7.5

D. 6

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Correct Answer: Option C

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

This question belongs to: Maths Average

Question #3

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What is the average of the first 6 prime numbers?

A. 6.5

B. 6.83

C. 6.33

D. 7

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Correct Answer: Option B

Explanation:
Primes:2,3,5,7,11,13 sum=41, avg=41/6=6.83.

This question belongs to: Maths Average

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