Rajat moves 4/5 km towards east from point P to reach point Q. From Q he starts moving 7/9 km towards west to reach point R. what is the distance between points R and Q? How far is Rajat from points P and Q?
Answers
Answered by
2
Answer:
Let the speed of two trains be 7x and 8x km/hr.
It is given that the second train runs 400 km in 4 hours, therefore, we have:
8x=
4
400
⇒8x=100
⇒x=
8
100
⇒x=12.5
Hence, the speed of the first train is 7×12.5=87.5 kmph.
Similar questions