how many minutes does aditya take to cover a distance of 400 m , if he runs at a speed of 20 km / hr ?
explanation : we know that , time = distance / speedspeed = 20 km / hr = 20 x 5 / 18 m / sec = 509 m / sectime = ( 400 x 9 / 50 ) = 72 sec = 1 1 / 5 min answer : a
divide(divide(400, multiply(20, const_0_2778)), const_60)