Sheela had 5 box of chocolates. There were 12 chocolates in each box. She gave 6 chocolates to Ajay, 2 boxes to her brother Arun. If the remaining number of chocolates was 30. How many can be put in each box.

Question

$\begin{array}{11} (a)\; \text{5 chocolates} \\ (b)\; \text{7 chocolates } \\ (c)\; \text{6 chocolates} \\ (d)\; \text{3 chocolates } \end{array}$