Question

plz answer it fast ....
It's urgent​

Answer 1

Answer:

215m

Step-by-step explanation:

speed of another train=90km/hr=25m/s

length of platform=160m

time across the platform by train=15sec.

so,(160m+length)/15=25m/s

=>160+length=25×15=375

=>length=375-160

=>length=215m