Solve the following problems using two variables:
A boat takes 6 hours to travel 36 km downstream and 24 kmupstream . It takes 9 hours to travel 48 km downstream and 40 km upstream . Find the speed of the stream and that of boat in still water.

A boat takes 6 hours to travel 8km up stream and 32 km down stream and it takes 7 hours to travel 20 km upstream and 16 km downstream.Find the speed of the boat in still water and the speed of the stream.

Pratik takes 8 hours to travel 36 km downstream and return to same spot. The speed of boat in still water is 12km/hr. Find the speed of the water current.

Solve the following problems: A passenger train takes 2 hours more than an express train to travel a distance of 240 km . The speed of the express train is more than that of passenger train by 20 km/h. Find the speed of both the trains.

Solve the following problrms using two variables: Out of 555 km , Vishal travelled certain distance by bus and the remaining distance by car. Bus travels with an average speed of 60 km/h and the average speed of the car is 75 km/h. He takes total 8 hours to complete the journey . Find the distance

Abdul travelled 300 km by train and 200 km by taxi, it took him 5 hours 30 minutes. But if he travelled 260km by train and 240 km by taxi, he takes 6 minutes longer. Find the speed of the train and that of the taxi.

A car with speed 60 km/h takes 8 hours to travel some distance. What should be the increase in the speed, if the same distance is to be covered in 7 1/2 hours?

Pratik travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12km/hr, find the speed of the river current.

A man travels by boat 36 km down a river and back in 8 hours. If the speed of his boat in still water is 12 km/hr, find the speed of the river current.

Solve the following questions. (ii) A train travels 360 km with uniform speed. The speed of the train is increased by 5 km//hr , it takes 48 minutes less to cover the same distance. Find the initial speed of the train.

A man travels 370 km partly by train and partly by car. If he covers 250 km by train and the rest by car, it takes him 4 hours. But, if he travels 130 km by train and the rest by car, he takes 18 minutes longer. Find the speed of the train and that of the car.