in what time will a train 200 meters long completely pass an electric pole , if it travels at a speed of 80 kmph .
sol . speed = [ 80 x 5 / 18 ] m / sec = 22.2 m / sec . time taken = ( 200 / 22.2 ) sec = 9 sec . answer b
divide(200, multiply(80, const_0_2778))