What is average of all two digit numbers? MCQ with Answer and Explanation

Question

Share Report Error

What is average of all two digit numbers?

A. 50

B. 54.5

C. 45

D. 55

Answer: Option B

Solution (By JKSSB Mock Tests)

From 10 to 99, 90 numbers. Average (10+99)/2=54.5.

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

Average of 20 numbers 40. If each decreased by 5, new average?

A. 40

B. 30

C. 35

D. 45

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
New average=35.

This question belongs to: Maths Average

Question #2

Share Report

If average of 10 numbers is 20 and average of 6 is 18, average of remaining 4?

A. 25

B. 24

C. 22

D. 23

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum10=200. Sum6=108. Remaining=92. Average=23.

This question belongs to: Maths Average

Question #3

Share Report

The average of 7 consecutive integers starting from n is 25. What is n?

A. 23

B. 22

C. 24

D. 21

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Average = n+3 =25. n=22.

This question belongs to: Maths Average

Explore All Average MCQs