## Author: Kishore Babu

## A motorboat whose speed is 18 km/hr in still water takes 1 hr more to go 24 km upstream

A motorboat whose speed is 18 km/hr in still water takes 1 hr more to go 24 km upstream than to return downstream to the same spot. Find the speed of stream. Speed of Motorboat in still water= 18km/hr Speed Read More …

## Two pipes running together can fill a tank in 6 minutes. If one pipe takes 5 minutes more than the

Two pipes running together can fill a tank in 6 minutes. If one pipe takes 5 minutes more than the Other to fill the tank, find the time in which each pipe would fill the tank separately. solution : Let Read More …

## Water is flowing at the rate of 15 km/hour through a pipe of diameter 14 cm into a cuboid pond which is 50 m long and 44 m wide.

Water is flowing at the rate of 15 km/hour through a pipe of diameter 14 cm into a cuboid pond which is 50 m long and 44 m wide. In what time will the level of water in pond rise Read More …