Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Amy buys $d$ dollars worth of groceries each week and spends one-fourth of those dollars on fruit. In terms of $d$, how many weeks will it take Amy to spend a total of $100$ just on fruit?

1. A.$\frac{4d}{100}$
2. B.$\frac{100}{d}$
3. C.$\frac{d}{400}$
4. D.$\frac{400}{d}$Correct answer