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.

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 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.

A and B can complete a piece of work in 9/5 hours,when they work together.If they work individually then A needs 1fr1/2 hours more than that required by B to complete the same.Find the time required by A and B for the completion of the work working individually.

A bucket made up of a metal sheet is in the form of a frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30 cm and 10 cm respectively. Find the cost of milk which can completely fill the bucket at the rate of ₹ 20 per litre and the cost of metal used, if its cost ₹ 10 per 100 cm^2 (pi = 3.14) .

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?

Water is pouring into cubiodal reservior at the 60 litres per minute. If the volumne of reserve is 108 m^3 . Find the number of hours it will take to fill the reservoir.

A tank with a square base of area 1.0 m^-2 is divided by a vertical partition in the middle. The bottom of the partition has a smallhinged door of area 20 cm^2 . The tank is filled with water in one compartment, and an acid (of relative density 1.7) in the other, both to a height of 4.0 m. compute the force necessary to keep the door close.