Two pipes running together can fill a cistern in `3fr1/13`minutes.If one takes 3minutes more than the other to fill the cistern,fin d the time in which each pipe would fill the cistern.

Two water taps can fill together a tank in 6h 40m.The larger tap takes 3h less than the smaller to fill the tank separately.Find the time in which each tap can separately fill the tank.

Two water taps together can fill a tank in 9(3/8) hours.The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately.Find the time in which each tap can separately fill the tank.

A swimming pool is filled with three pipes with uniform flow.The first two pipes operating simultaneously,fill the pool at the same time,during which the pool is filled by the third pipe alone.The second pipe fills the pool five hours faster than the first pipe and four hours slower than the third pipe.Find the time required by each pipe to fill the pool individually.

Take two concal flasks and paint one white and other black.Fill both with water. Place the conical flasks in direct sunlight for half an hour to one hour. Touch the conical flasks . Which one is hotter ? You could also measure the temperature of the water in the two conical flasks with a thermometer. Can you think of ways in which this finding could be used in your daily life ?

A farmer connects a pipe of internal diameter 20cm from a canal into a cylindrical tank in her field,which is 10 m in diameter and 2 m deep.If water flows through thr pipe at the rate of 3 km/h,in how much time will the tank be filled?