Find the average of all numbers from 1 to 40 that are divisible by 8. MCQ with Answer and Explanation

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

A. 22.5

B. 23

C. 25

D. 24

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 12 numbers 45. If average of 9 is 42, average of remaining 3?

A. 50

B. 52

C. 48

D. 54

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Correct Answer: Option B

Explanation:
Sum12=540. Sum9=378. Remaining=162. Average=54.

This question belongs to: Maths Average

Question #2

The average of 8 numbers is 34. If each number is multiplied by 1.5, what is the new average?

A. 34

B. 25.5

C. 51

D. 68

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Correct Answer: Option C

Explanation:
New average =34×1.5=51.

This question belongs to: Maths Average

Question #3

If the average of a,b,c,d is 30 and average of a,b is 25, average of c,d is

A. 35

B. 30

C. 28

D. 32

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Correct Answer: Option A

Explanation:
a+b+c+d =120. a+b=50. c+d=70. Average c,d =35.

This question belongs to: Maths Average

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