You bought a pen for Rs.5.50 and a notebook for Rs.20.75. If you paid the shopkeeper Rs.30, how much will he return you?
Rs. 3.75
Amount paid = Rs. 30
Total bill = Rs.5.50 + Rs. 20.75 = Rs. 26.25
Amount to be returned = Rs. 30 - Rs.26.25 = Rs. 3.75