In a laboratory,the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour.Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

In a bank, principle p increases continuously at the rate of 5% per year. Find the principal in terms of time t.

A river 3m deep and 40m wide is flowing at the rate of 2 mk per hour. How much water will fall into the sea in a minute?

The rate of increase of bacteria in a certain culture is proportional to the number present . If it doubles in 5 hours , then in 25 hours , its number would be

A point is moving on y=4-2x^(2) . The x coordiante of the point is decreasing at the rate of 5 units per second. Then the rate at which y coordinate of the point is changing when the point is at (1,2) is

A radioactive element has a half life of 2.5 hours. In 10 hours 1 gram of radioactive material is reduced to

The population of a place increased to 54,000 in 2003 at a rate of 5% per annum.(i)Find the population in 2001. (ii)What would be its population in 2005?

The rate of increase of bacteria in a culture proportional to the number of bacteria present and it found that the number doubles in 5 hours. Calculate how many times the bacteria my be expected to grow at the end of 15 hours

Places P_(1)" and "P_(2) are 250 km apart from each other on a national high way. A car starts from P_(1) and another from P_(2) at the same time. If they go in the same direction then they meet in 5 hours. If they go in opposite directions they meet in 25/13 hours. Find their speeds.