Tim bought a pen of Rs20 and paid a Rs100 note. The shopkeeper gave him Rs80 change in return.If the Rs100 note was fake, find the shopkeeper's loss.
A car was bought for Rs. 200000 after one year it was sold for Rs. 120000, by what percentage was the price reduced at the time of selling?
A shopkeeper bought rice worth Rs. 4,500. He sold one-third of it at 10% profit. If he desires a profit of 12% on the whole; find : (i) the selling price of the rest of the rice. (ii) the percentage profit on the rest of the rice.
A trader marks up a product he is selling for 20% profit. If he sells it at a discount of 15%, his net gain percentage is,