What is the average of all numbers from 1 to 50 that are divisible by 7? MCQ with Answer and Explanation

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What is the average of all numbers from 1 to 50 that are divisible by 7?

A. 28.5

B. 29

C. 28

D. 27.5

Answer: Option C

Solution (By JKSSB Mock Tests)

Numbers: 7,14,21,28,35,42,49. Sum=196, count=7, avg=28.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 4 consecutive odd numbers is 32. What is the smallest number?

A. 29

B. 31

C. 33

D. 27

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Correct Answer: Option A

Explanation:
Numbers are 29,31,33,35. Their average is 32. Smallest number = 29.

This question belongs to: Maths Average

Question #2

Find the average of all numbers from 1 to 40 that are divisible by 8.

A. 24

B. 22.5

C. 23

D. 25

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Correct Answer: Option A

Explanation:
Numbers:8,16,24,32,40 sum=120, count=5, avg=24.

This question belongs to: Maths Average

Question #3

The average marks of a student in 5 subjects is 80. If he scores 90 in the sixth subject, what is his new average?

A. 81.67

B. 80.5

C. 82.5

D. 81.33

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Correct Answer: Option A

Explanation:
Sum of 5 =5×80=400. Sum of 6 =400+90=490. New average =490/6=81.666... ≈81.67.

This question belongs to: Maths Average

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