A sold an article with 10 percent loss on the cost price. He bought the article at a discount of 20 percent on the labeled price. What would have been the percentage loss had he bought it at the labeled price ?

In a class the average age of both male and female students together is 18 years. The total age of these 15 female students is 240. Definitely how many male students are there in a class ?

A’s monthly income INR 10,000/- less than B’s monthly income. B’s monthly income is INR 15,000/- less than C’s monthly income. If the total monthly income of A,B and C together is INR 65,000/-, what is A’s monthly income ?

A trader sells an item to a retailer at 20% discount, but charges 10% on the discounted price, for delivery and packaging. The retailer sells it for INR 2046/- more, thereby earning a profit of 25%. At what price had the trader marked the item

A vessel contains 100 litre mixture of milk and water in the respective ratio 22 : 3. 40 litre of the mixture is taken out from the vessel and 4.8 litre of each pure milk and pure water is added to mixture. By what percent is the quantity of water in the final mixture less than the quantity of milk

A and B started a business with initial investments in the respective ratio of 18:7. After four months from the start of the business. A invested INR 2000/- more and B invested INR 7000/- more. At the end of one year. If the profit was distributed among them in the ratio of 2:1 respectively, what was the total initial investment with which A and B started the business

The respective ratio between the monthly salaries of Rene and Som is 5 : 3. Out of her monthly salary Rene gives 1/6th as rent, 1/5th to her month, 30% as her education loan and keeps 25% aside for miscellaneous expenditure. Remaining INR 5000/- she keeps as savings. What is Som's monthly salary

A project requires 12 women to complete it in 16 days. 12 women started working and after a few days from the start of the project, 4 women left. If the remaining project was completed in 18 days, in how many days the whole project was completed

A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55km downstream in 2 hours 30 minutes, what is the speed of the boat is still water ? (in km/h)

Two equal circles are drawn in square in such a way that a side of the square forms diameter of each circle. If the remaining area of the square is 42 cm2, how much will the diameter of the circle measures? (in cm)