The price of a pen is 25% more than the price of a book. The price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?

If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent...

A car goes 15 km on a gallon of octane. When it is 50 km/h. When the car is driven at 60 km/h, it only goes 80...

A manufacturer sells three products i.e A, B C. Product A costs 200 and sells for 250, product B costs 150 and...

A trader marked the price of a article 30% above the cost price and gave the buyes 10& discount on market pric...

The length and breadth of a square of a are increased by 40% and 30% receptively. The area of the resulting re...

Threee boys have marbles in the ratio of 19:5:3. If the boy with the least number has 9 marbles, how many marb...