Sanwar spent 20% of his salary for food, 30% for apartment rent, and 25% forgather expenses. If the remaining Tk. 3500 were his monthly savings, how much (Taka) was apartment rent?

Sanwar spent 20% of his salary for food, 30% for apartment rent, and 25% forgather expenses. If the remaining Tk. 3500 were his monthly savings, how much (Taka) was apartment rent?

A 2400

B 3600

C 4200

D 4500

Solution

Correct Answer: Option C

Let salary =x

Monthly Savings = x-(.2x+.3x+.25x) = .25x

A.T.Q,

.25x = 3500

x =14000

apartment rent = 14000 ×.3 =4200