Going 50 m to the South of her house, Radhika turns left and goes another 20 m. Then turning to the North, she goes 30 m and then starts walking to her house. In which direction is she walking now?
North - West
The movements of Radhika are as shown in the below figure (A to B, B to C, C to D and D to A)
Clearly, she is finally moving in the direction DA i. e. North - West