a train running at the speed of 60 km / hr crosses a pole in 15 seconds . find the length of the train .
"speed = 60 * ( 5 / 18 ) m / sec = 50 / 3 m / sec length of train ( distance ) = speed * time ( 50 / 3 ) * 15 = 250 meter answer : e"
multiply(divide(multiply(60, const_1000), const_3600), 15)