The ratio of Fati

Given, the ratio of income to savings of Fatima = 4:1

Need to find out the percentage of money saved by her

⇒ Let the income be 4x and savings be x

⇒ Percentage of money saved by her = × 100%

=

= × 100

=

= 20 %

Hence, the percentage of money saved by her is 20%.

⇒ Option A is the correct one.

⇒ Option B is incorrect as 25% ≠ 20%

⇒ Option C is incorrect as 40% ≠ 20%

⇒ Option D is incorrect as 80% ≠ 20%