During Diwali sale, the cost of a lamp is Rs. 870 on which `1/5th` is off. The same table lamp is available at an an electric shop for Rs. 975 with a discount of `1/(15)th` Which is a better deal and by how much?

The cost of a pen is Rs 6(2)/(3) and that of a pencil is Rs 4(1)/(6) . Which cost is more and by how much?

The list price of a table fan is Rs 480 and it is available to a retailer at 25% discount. For how much should a retailer sell it to gain 15%?

The list price of a table fan is Rs 480 and it is available to a retailer at 25% discount. For how much should a retailer sell it to gain 15%?

The cost of a pen is Rs 16 3/5 and that of a pencil is Rs 4 3/4 Which costs more and by how much

The cost of a pen is Rs. 16(3/5) and that of a pencil is Rs. 4(3/4) . Which costs more and by how much?

The cost of a pen is Rs.16((3)/(5)) and that of a pencil is Rs.4((3)/(4)). Which costs more and by how much?

The cost of Mathematics book is Rs 25 3/4 and that of Science book is Rs 20 1/2dot Which costs more and by how much?

The cost of Mathematics book is Rs 25 3/4 and that of Science book is Rs 20 1/2dot Which costs more and by how much?

A customer goes to a store to buy a bag costing Rs. 648 at marked rice. The sales tax to be levied on the bag is 8%. But the customer asks the trader to give a discount, after which she has to pay Rs. 648 to buy the bag. How much discount was given to the customer ?

A fluorescent lamp of 20 W and an incandescent bulb of 150 W are used for 5 hours per day in the month of February 2008. If the cost of one unit of electrical energy is Rs. 1.5, which of the two is more economical to use and by how much ?