Question

the sum of the present ages of P Q R S is 80 years four year ago the ratio of their ages was 10:7:6:9 find difference between the ages of P & R ?

Answer 1

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Answer 2

Answer:

the difference between P and R is 10

let 10x,7x,6x,9x

now add all

10x+7x+6x+9x=80

x= 2.5

P=10x

=10*2.5

=25

R=6x

=6*2.5

=15.0

P-R=25-15

10 is the age difference between P and R