Hari wants to know where his Engish book is. His mom say "its in the third shelf from the top. His sister says" it is in $5^{th}$ shelf from the bottom shelf. How many shelves does the cupboard have?

Question

$\begin{array}{11} (a)\; 6 \\ (b)\; 5 \\ (c)\; 8 \\ (d)\; 7 \end{array}$