Get Started
1504

Q: The average age of a group of 10 students is 15 years. When 5 more students join the group, the average age increase by 1 year. The average age of the new student is?

  • Show Answer
  • Workspace

Answer :
Explanation :

Total age of 10 students = 150 years Total age of 15 students = 240 years Total age of 5 new students = 240 - 150 = 90 years  Average age of 5 new students = 90/5 = 18 years.

Previous Next

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today