The ratio of Fatima's income to her savings is 4:1. The percentage of money saved by her is
(a) 20%
(b) 25%
(c) 40%
(d) 80%
The correct option is (b): 25%
Given, ratio of income to savings =4:1
Let income =4x and savings =x.
∴ Percentage of money saved by her =Savings(Income)×100% [We find percentage of saving on the basis of income ]
=x4x×100=x4x×100=14×100%=25%