Question

two trains 500 metre long and 700 metre long are going with speeds of 70 km per hour and 50 km per hour respectively in opposite direction how long will it take to pass each other​

Answer 1

Answer:

total distance 500m+700m=1200m

total speed 50+70=120km/hr

120000m run in 3600s

1200m run in 3600÷100=36s

so meet at 36 sec

Answer 2

Step-by-step explanation:

do it as

1km = 1000m

and 1 hour = 3600 sec