"A train covers a distance of 12 km in 10 minutes. If it takes 6 seconds to pass a telegraph post
Channel: Doubtnut
Date: 2020-04-05

"A train covers a distance of 12 km in 10 minutes. If it takes 6 seconds to pass a telegraph post, then the length of the-train is `90\ m`b. `100\ m`c. `120\ m`d. `140\ m`"