Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 51
The average age of 3 persons is 30 years.If their ages are in the ratio of 3:5:7 respectively, then the age ofthe eldest person is:
Solution
Given average age of three persons =30 years
Sum of the ages of three people=90 years
let the ages of three people be 3x,5x and 12x.
sum=3x+5x+7x
=15x
15x=90
x=6
Age of eldest person=7*6
=42 yearsÂ
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
