Average of all multiples of 10 from 10 to 100 is MCQ with Answer and Explanation

Question

Share Report Error

Average of all multiples of 10 from 10 to 100 is

A. 50

B. 55

C. 45

D. 60

Answer: Option B

Solution (By JKExamLibrary)

10 numbers. Average=(10+100)/2=55.

This question belongs to: Maths Average

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Average Questions

Question #1

Share Report

If average of x numbers is y and average of z numbers is w, combined average is

A. (x + z) y / (x + z)

B. x y + z w

C. (x y + z w)/(x+z)

D. (y + w)/2

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Weighted average formula: (x*y + z*w) / (x + z).

This question belongs to: Maths Average

Question #2

Share Report

Average of 495,660,825 is

A. 660

B. 655

C. 670

D. 650

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
1980/3=660.

This question belongs to: Maths Average

Question #3

Share Report

The average of 3 numbers is 9. If the numbers are in the ratio 2:3:4, find the smallest.

A. 8

B. 5

C. 6

D. 7

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum=3×9=27. Ratio sum=2+3+4=9. Smallest = (2/9)×27=6.

This question belongs to: Maths Average

Explore All Average MCQs