The mean of 5 numbers is 20. If one number is excluded, the mean becomes 18. What was the excluded number?

Type: MCQ • Marks: 1

A. 22

B. 28

C. 26

D. 20

Explanation

Sum of 5 numbers = 5 × 20 = 100. Sum of remaining 4 numbers = 4 × 18 = 72. Excluded number = 100 - 72 = 28.

Want to attempt the full test series with a timer and instant score? Purchase the package to unlock the complete test. Purchase Now

Class 7th Ganita Prakash 2

This page is indexed for search so students can find questions directly from Google.

Welcome to TutorWale!