IBPS RRB PO Mains 30 Jan 2021 Paper

Question : 191 of 200

Marks: +1, -0

A train crosses a platform and a tunnel in 18 and 32 seconds respectively. The speed of the train and length of the train are 45 km/hr and 140 metres respectively. Find that the length of the platform is approximately what percent less than the length of tunnel?