Leena buys 100 grams bar chocolates. She buys $\frac{3}{4}^{th}$ of chocolate. How many grams of chocolates are left over?

Question

$\begin{array}{11} (a)\; \text{50 grams} \\ (b)\; \text{75 grams } \\ (c)\; \text{100 grams } \\ (d)\; \text{80 grams } \end{array}$