A merchant had Rs. 78,592 with her. She placed an order for purchasing 40 radio sets at Rs. 1200 each. How much money will remain with her after the purchase?

Lata spent Rs.9.50 for buying a pen and Rs.2.50 for one pencil.How much money did she spend?

If Rs.250 is to be amongst Ravi, Raju and Roy, so that Ravi gets two parts, Raju three parts and Roy five parts. How much money will each get? What will it be in percentages?

A pharmaceutical company requires everyday 10,12,12 units of chemicals C_1,C_2 and C_3 respectively. A liquid product contains 5,2,and 1 units of chemicals C_1, C_2 and C_3 respectively per bottle and its cost is Rs.300 per bottle. A dry product contains 1,2 and 4 units of chemicals C_1, C_2 and C_3 respectively per box and it costs Rs.200 per box. how much quantitiy of either of the two products should be purchased daily in order to minimize the cost.

Rani had Rs 18.50.She bought one ice-cream for Rs.11.75 .How much money does she have now?

Shaina pays Rs.7500 as rent for 3 months.How much does she have to pay for a whole year,if the rent per month remains same?