"A train takes 5 minutes to cross as telegraphic post. Then the time taken by another train whose
Channel: Doubtnut
Date: 05/04/2020

"A train takes 5 minutes to cross as telegraphic post. Then the time taken by another train whose length is just double of the first train and moving with same speed to cross as platform of its own length is`10\ m inu t e s`b. `15\ m inu t e s`c. `20\ m inu t e s`d.`\ `Data inadequate"