Distance covered by first man = 4 x 9 = 36 km Distance covered by second man =
9
2
[2×2+(9−1)×0.5] = 4.5[4+8×0.5]=4.5x(4+4) = 4.5×8=36km Distance covered by first man = Distance covered by second man = 36 km Hence, It is clear from above that both man will meet midway between A and B.