how long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 150 m in length ?
"d = 110 + 150 = 260 m s = 60 * 5 / 18 = 50 / 3 t = 260 * 3 / 50 = 15.6 sec answer : d"
divide(add(110, 150), multiply(60, const_0_2778))