How many coins makes Rs 2.50 paise

Question

$\begin{array}{11} (a)\; \text{three 50 paise coins and four 25 paise coins} \\ (b)\; \text{two 50 paise and two 1 rupee coin} \\ (c)\; \text{four 25 paise and 2 rupee coin} \\ (d)\; \text{two 25 paise coins and four 50 paise coins } \end{array}$