in what time will a train 120 meters long completely pass an electric pole , if it travels at a speed of 60 kmph .
"sol . speed = [ 60 x 5 / 18 ] m / sec = 16.7 m / sec . time taken = ( 120 / 16.7 ) sec = 7.18 sec . answer e"
divide(120, multiply(60, const_0_2778))