Question

(1) The speed of a train is 30 km/h. How long will it take to cross a signal if its length
is 25 m?
(ii) How long will a 50-m-long train travelling at 72 km/h take to cross a pole?
​

Answer 1

Answer:

And:30

Step-by-step explanation:

• Speed of the train=30kmph
• cross single lenght=25m
• 25×18/5=90
• Soo one single lenth is 90/30=30