The average of 15 observations is 20. If each observation is increased by 3, what is the new average? MCQ with Answer and Explanation

Question Report Error

The average of 15 observations is 20. If each observation is increased by 3, what is the new average?

A. 17

B. 30

C. 23

D. 20

Answer: Option C

Solution (By JKExamLibrary)

New average = old average + increase =20+3=23.

This question belongs to: Maths Average

Discuss this Question (0)

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

Practice More Average Questions

Question #1 Report Error

Average of 50,75,100 is

A. 70

B. 80

C. 72

D. 75

View Answer & Solution Discuss

Correct Answer: Option D

Explanation:
225/3=75.

This question belongs to: Maths Average

Question #2 Report Error

The average of 55,65,75,85 is

A. 70

B. 75

C. 72

D. 65

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
280/4=70.

This question belongs to: Maths Average

Question #3 Report Error

The average of 6 numbers is 30. If each number is multiplied by 1.5, what is the new average?

A. 22.5

B. 45

C. 30

D. 60

View Answer & Solution Discuss

Correct Answer: Option B

Explanation:
New average =30×1.5=45.

This question belongs to: Maths Average

Explore All Average MCQs