Vanitha bought a pair of shoes for Rs 499. The shopkeeper gave a discount of Rs 49.99. How much money should he get back?

Question

$\begin{array}{11} (a)\;\text{Rs 400 } \\ (b)\; \text{Rs 449.01} \\ (c)\; \text{Rs 460} \\ (d)\; \text{Rs 438} \end{array}$