Two boys starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 8.5km apart, if they walk in the same direction?

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour ?

2 trains starting at the same time from 2 stations 200 km apart and going in opposite direction cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds ?

A man saves Rs 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.

Find compound interest on Rs. 7500 at 4% per annum for 2 years, compounded annually

The present worth of Rs.169 due in 2 years at 4% per annum compound interest is

At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is

In what time will Rs.1000 become Rs.1331 at 10% per annum compounded annually

If the simple interest on a sum of money for 2 years at 5% per annum is Rs.50, what will be the compound interest on same values