Average of 5,10,15,20,25,30,35,40 is MCQ with Answer and Explanation

Average of 5,10,15,20,25,30,35,40 is

A. 23

B. 22.5

C. 20

D. 25

Answer: Option B

180/8=22.5.

This question belongs to: Maths Average

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Question #1 Report Error

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. 68

D. 51

Correct Answer: Option D

Explanation:
New average =34×1.5=51.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 1840. If average of 6 is 1835, average of remaining 3?

A. 1850

B. 1855

C. 1848

D. 1845

Correct Answer: Option A

Explanation:
Sum9=16560. Sum6=11010. Remaining=5550. Average=1850.

This question belongs to: Maths Average

Question #3 Report Error

Average of 10 numbers 530. If average of 6 is 525, average of remaining 4?

A. 540

B. 537.5

C. 536

D. 535

Correct Answer: Option B

Explanation:
Sum10=5300. Sum6=3150. Remaining=2150. Average=537.5.

This question belongs to: Maths Average