Question

on a track of 120 km A train travels first 30 km at a uniform speed of 30 km per hour how fast does a train travels the next 90 km / to every 60 km per hour for the entire trip​ solution​

Answer 1

Answer:

30 km per hour=1 hour

90÷60=1.5 hour

1 hour+1.5 hour=2.5 hours

2 hours 30 minutes is the answer