how many seconds will a train 100 meters long take to cross a bridge 200 meters long if the speed of the train is 36 kmph ?
"explanation : d = 100 + 200 = 300 s = 36 * 5 / 18 = 10 mps t = 300 / 10 = 10 sec answer : option c"
divide(add(200, 100), multiply(36, const_0_2778))