The speed of a garden-Snail is 50 meters per hour and that of the Cheetah is 120 kilometers per hour. Find the ratio of the speeds.

The speed of falling rain drops is about ____ meters per second .

Find the ratio of 30 days to 36 hours.

A spherical ballon is filled with 4500pi cubic meters of helium gas. If a leak in the ballon cause the gas to escape at the ratio of 72pi cubic meters per meters, then the rate (in meters per minute) at which the radius of the ballon decreases 49 minutes after the leakage bagan is

A spherical balloon is filled with 4500pi cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the ratio of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11 km/hr more then that of the passenger train, find the average speed of the two trains.

On an average a healthy human breaths _______ times per hour

In a laboratory the count of bacteria in a certain, experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

Two ships leave a port at the same time . One goes 24km per hour in the direction N45^(@) E and other travels 32km per hour in the direction S 75 ^(@) E. then the distance between the ships at the end of 3 hours