Question
Percentage of values that lie within a band around the
mean in a normal distribution with a width of two standard deviations is approximatelySolution
Prateek bought 2 items at the same price. He sold one item at 20% profit and another item at 25% profit. What is the overall percentage profit he made?
Abhijit buys an old scooter for Rs. 3700 and spends Rs. 300 on its repairs. If he sells the scooter for Rs. 5500, his gain percent is
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 600 gm for the kg weight. Find his gain per cent.
A shopkeeper marked an article Rs. 850 above its cost price and sold it after giving a discount of 30% and earned a profit of 20%. Find the cost price o...
A person bought an article and sold it at a loss of 20%. If he had bought it at 10% loss and sold it for 74 more, he would have gained 30%. Find the pro...
By selling 45 sweets for Rs 40 a man losses 20%. How much should he sell for Rs 24 to gain 20%?
There are some oranges in a shop. Sita purchased 50% of the oranges and Gopal purchased 60% of the remaining oranges. If Sita sells all her oranges at R...
The combined cost price of Bournvita and Horlicks is Rs. 2000. With Horlicks sold at a 16% profit and Bournvita at a 20% profit, and given that the rati...
- The profit on selling a book is 30%, and that on a pen is 20%. If profit on selling 2 books and 4 pens is Rs. 52, and on selling 3 books and 5 pens is Rs. ...
- Cost price of an item is Rs. (12n + 240). It is marked 50% above its cost price and sold after allowing a discount of Rs. (2n + 40). If the profit earned i...