Find the ratio of the following.
Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

Find the ratio of the following. 5 m to 10 km

Work Problem related to speed, distance and time The ratio of the speed A to B is 2:3 . If A takes 3 hours more then B to cover 30km . Find the speed of A and B.

From Borjhar Air Port of Guwahati two aeroplanes took off simultaneously, one towards the east with the speed of 720 km. per hour and the other towards the west with the speed of 880 km. per hour. After how many hours will the two aeroplanes be 4000 km. apart? Solve the problem by forming an equation.

Find the buying price of each of the following when 5% ST is added on the purchase of : 5 kg of flour at Rs 15 per kg.

A plane is in level flight at constant speed and each of its two wings has an area of 25 m^2 . If the speed of the air is 180 km/h over the lower wing and 234 km/h over the upper wing surface, determine the plane’s mass. (Take air density to be 1 kg m^-3) .

A trolley of mass 300 kg carrying a sandbag of 25 kg is moving uniformly with a speed of 27 km/h on a frictionless track. After a while, sand starts leaking out of a hole on the floor of the trolley at the rate of 0.05 kg s^-1 . What is the speed of the trolley after the entire sand bag is empty?

The distance between two cars is 456 km. If the two cars approach each other at the speed of 42 km. per hour and 34 km. per hour respectively, find after what time they will meet.

An aeroplane leaves an airport and flies due north at a speed of 1000 km per hour. At the same time another aeroplane leaves the same airport and flies due west at a speed of 1200 km per hour. How far apart will be the twö planes after 1(1/2) hours?.

Work Problem related to speed, distance and time A men walks a certain distance at a certain rate. Had he walked 1/2 km per hour faster, he would taken one hour less. But if he had gone one km/hour slower, he would have taken three hours longer. Find the distance covered by the mann and his original rate of walking.

The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minitues when the car is traveling at the speed of 66 km per hour.