[" eroplane takes "1" hour less for a journey of "1200km" if its speed is increased by "100],[" hr from its usual speed.Find its usual speed."]

An aeroplane takes 1 hour less for a journey of 1200km if its speed is increased by 100km/hr from its usual speed.Find its usual speed.

An aeroplane takes 1 hour less for a journey of 1200 km if its speed is increased by 100 km/hr from its usual speed. Find its usual speed.

An aeroplane takes 1 hour less for a journey of 1200 km if its speed is increased by 100 km/hr from its usual speed. Find its usual speed.

A passenger train takes 1 hour less for a journey of 120 km, if its speed is increased by 10 km/hour from its usual speed. What is its usual speed?

A train takes two hours less for a journey of 300km if its speed is increased by 5 km // hr from its usual speed. What is its usual speed ?

A passenger train takes one hour less for a journey of 150 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.

A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.

A passenger train takes 3 hours less for a journey of 360km if its speed is increased by 20km/hr from its usual speed.We need to find its usual speed.Represent the problem situation in the form of a quadratic equation.

A passenger train takes one hour less for a journey of 150km if its speed is increased by 5km/hr from its usual speed.Find the usual speed of the train.