If you bought a crayon set worth Rs. 15.50 and a notebook worth Rs. 25 and paid the shopkeeper Rs. 50, how much will he return you?
Rs. 3.75
Amount paid = Rs. 50
Total bill = Rs. 15.50 + Rs. 25 = Rs. 40.5
Amount to be returned = Rs. 50 - Rs. 40.5 = Rs. 9.50