how many seconds will a train 100 meters long take to cross a bridge 120 meters long if the speed of the train is 36 kmph ?
"explanation : d = 100 + 120 = 220 s = 36 * 5 / 18 = 10 mps t = 250 / 10 = 22 sec answer : option a"
divide(add(120, 100), multiply(36, const_0_2778))