a man is walking at the rate of 5 km / hr crosses a bridge in 15 minutes . the length of the bridge is
"explanation : we need to get the answer in meters . so we will first of change distance from km / hour to meter / sec by multiplying it with 5 / 18 and also change 15 minutes to seconds by multiplying it with 60 . answer : d"
multiply(multiply(5, divide(15, const_60)), const_1000)