What is average of all multiples of 7 from 7 to 70? MCQ with Answer and Explanation

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What is average of all multiples of 7 from 7 to 70?

A. 38.5

B. 38

C. 35

D. 39

Answer: Option A

Solution (By JKExamLibrary)

Multiples: 7,14,...,70 (10 numbers). Average=(7+70)/2=38.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1 Report Error

Average of 12 numbers 1370. If average of 8 is 1365, average of remaining 4?

A. 1375

B. 1380

C. 1382

D. 1378

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Correct Answer: Option B

Explanation:
Sum12=16440. Sum8=10920. Remaining=5520. Average=1380.

This question belongs to: Maths Average

Question #2 Report Error

Average of 10,25,40,55 is

A. 32.5

B. 33

C. 30

D. 35

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Correct Answer: Option A

Explanation:
130/4=32.5.

This question belongs to: Maths Average

Question #3 Report Error

The average of 360,480,600 is

A. 470

B. 475

C. 490

D. 480

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Correct Answer: Option D

Explanation:
1440/3=480.

This question belongs to: Maths Average

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