A man walks 7 km towards south and turns to the left. After walking 5 km, he turns to the right and walks 7 km. In which direction is he now from the starting point?
A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?