a train 160 m long is running at 30 kmph . in how much time will it pass a platform 120 m long ?
distance travelled = 160 + 120 m = 280 m speed = 30 * 5 / 8 = 75 / 4 m time = 280 * 4 / 75 = 14.93 seconds answer : d .
divide(add(160, 120), multiply(30, const_0_2778))