how many seconds will a train 100 meters long take to cross a bridge 160 meters long if the speed of the train is 36 kmph ?
"explanation : d = 100 + 160 = 260 s = 36 * 5 / 18 = 10 mps t = 260 / 10 = 26 sec answer : option a"
divide(add(160, 100), multiply(36, const_0_2778))