A contianer of dimenstions `20 cm xx 15 cm xx 5 cm` is full of water. If it is lekaing at the rate of 25 millions per second, then how long will it take to enpty the container ?

A hemispherical tank full of water is emptied by a pipe at the rate of (25)/7 litres per second. How much time will it take to empty half the tank, if it is 3m in diameter?

Find the cost of painting a cuboid of dimensions 20 cm xx 15 cm xx 12 cm at the rate of 5 paisa per square centi meter.

The T.S.A. of a cuboid of measures 20 cm xx 10 cm xx 15 cm is (sq.cm)

A hemispherical tank,full of water, is emptied by a pipe at the rate of 25/7 liters per second.how much time will it take to empty half the tank if the diameter of the base of the tank is 3 m.

A cuboidal container which is 30-cm long, 20-cm wide and 15-cm high is full of water. The water is to be poured into cubical containers of each edge which is 10 cm. How many such containers are required?

A block of steel of size 5 cm xx 5cm xx 5cm is weighed in water. If the relative density of steel is 7. its apparent weight is:

A block of steel of size 5 cm xx 5cm xx 5cm is weighed in water. If the relative density of steel is 7. its apparent weight is:

How many planks of dimensions (5 m xx 25 cm xx 10 cm) can be stored in a pit which is 20m long, 6m wide and 50 cm deep ?

A rectangular water-tank measuring 80cm xx 60cm xx 60cm is filled from a pipe of cross-sectional area 1.5cm^(2) , the water emerging at 3.2 m/s. How long does it take to fill the tank?