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 years

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

SSC GD 6th March 2019 Shift-3

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:

Free SSC Quant Questions

Login to your Cracku account

Hello! 👋

Ready to Unlock Your Success?

Please Enter Your OTP

Please enter the following details

Create a free Cracku account