Which of the following money has the least value

Question

$\begin{array}{11} (a)\; \text{ten twenty five paise coins and two five rupee coin} \\ (b)\; \text{twenty fifty paise coins and five two rupee coin} \\ (c)\; \text{fifty five paise coins and ten 50 paise coin} \\ (d)\; \text{twenty twenty paise coins and ten two rupee coin} \end{array}$