Question

Two trains start simultaneously from two stations 300 km apart and move towards each other parallel tracks the speed of one train is 22 km/ hr more than the speed of the other if distance between two trains after 2 hours is 20 km find the speed of the train

Answer 1

solution:

Let the train be a and b speed of a = x km/h

Speed of b = (x+22)km/h

After the 3 hours

Distance travelled by A =  2x

Distance travelled by B= 2(x +22)km/h

=2x +44

Now distance between them is 20km  

So,

2x +(2x+44)+20=300

4x +64=300

4x = 236

X=59km/h

X+22=59+22=81km/h

Speed of train are 59km/h and 81km/h

Answer 2

60 80answer right answer