A total of 185 kg of cement was ordered for the construction of a house. It contained 132 kg of cement. So how many kilogrammes of cement are left now?
Reena noted the electricity meter readings of her house. Last month's reading was 118 units. This month's reading is 193 units. How much electricity did she use in one month ?
Sharifa's mother sent her to the market to buy some things. She gave her ₹ 245. Sharifa bought 1 kg ghee for ₹ 127. The shopkeeper gave her back ₹ 98. Did the shopkeeper give her the right amount ?