Sham goes to his friend's house that is straight 10 km from his house. On his way back, he takes a right turn and walks 2 km and again takes a right turn and walks for 10 km before he takes a right turn again. How much distance is Sham still away from his house?

Options

A. 10km
B. 8 km
C. 12km
D. 2km

Answer

D

Explanation