a train 150 m long running at 72km/hr.it crosses a bridge in 13 seconds.find the length of the bridge.
Refer the solution of part (2) in the given link :
https://www.meritnation.com/ask-answer/question/1-udit-can-complete-his-work-in-10-days-what-amount-of-wor/direct-and-inverse-proportions/5063047
https://www.meritnation.com/ask-answer/question/1-udit-can-complete-his-work-in-10-days-what-amount-of-wor/direct-and-inverse-proportions/5063047