The average of 20,25,30,35,40 is MCQ with Answer and Explanation

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The average of 20,25,30,35,40 is

A. 28

B. 30

C. 32

D. 31

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=150. Average=30.

This question belongs to: Maths Average

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Question #1

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Find the average of the first 7 multiples of 4.

A. 15

B. 14.5

C. 17

D. 16

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Correct Answer: Option D

Explanation:
Multiples:4,8,12,16,20,24,28 sum=112, count=7, avg=16.

This question belongs to: Maths Average

Question #2

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The average of 390,520,650 is

A. 530

B. 520

C. 515

D. 510

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Correct Answer: Option B

Explanation:
1560/3=520.

This question belongs to: Maths Average

Question #3

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Average of 1035,1380,1725 is

A. 1390

B. 1380

C. 1375

D. 1370

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Correct Answer: Option B

Explanation:
4140/3=1380.

This question belongs to: Maths Average

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