Question

an amount of money is to be distributed among P Q R in the ratio of 2:7:9 . the total of P 's and Q's share is equal to that of R's share. what is the difference between P's and Q 's share

Answer 1

The ratio is 2:7:9 than 2+7=9 and 7-2 =5 so difference is always 5or multiple of 5 like ex.2(2:7:9)so the p=4,q=14andr=18so 14+4=18and 14-4=10 ,is multiple of 5