how long does a train 110 m long running at the speed of 36 km / hr takes to cross a bridge 132 m length ?
"speed = 36 * 5 / 18 = 10 m / sec total distance covered = 110 + 132 = 242 m . required time = 242 / 10 = 24.2 sec . answer : c"
divide(add(110, 132), multiply(36, const_0_2778))