Time & Distance
Two train having the ratio of their speed 5 : 8 are running in opposite direction along parallel track. If each takes 10 seconds to cross an electric pole separately. In what time will they cross each other completely?
|E||None of these|
Let speed of train be 5x and 8x
Relative speed = 5x + 8x = 13x
Now, length of train’s are 5x ×10 = 50x and 80 x meter
So, Required time = 130x / 13x = 10 sec