Freshers India

On an order of 5 dozen boxes of a consumer product, a retailer receives an extra dozen free. This is equivalent to allowing him a discount of :                        

A man purchased a box full of pencils at the rate of 7 for Rs. 9 and sold all of them at the rate of 8 for Rs. 11. In this transaction, he gained Rs. 10. How many pencils did the box contain?                        

Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?                        

A shopkeeper sold an article offering a discount of 5% and earned a profit of 33.5%. What would have been the percentage of profit earned if no discount was offered?                        

A producer of tea blends two varieties of tea from two tea gardens one costing Rs. 18 per kg and another Rs. 20 per kg in the ratio 5:3. If the sells the blended variety at Rs. 21 per kg, then his gain per cent is :                        

Successive discounts of 10%, 12% and 15% amount to a single discount of :