A man is facing south. He turns $45°$ clockwise and then $90°$ anti-clockwise. What is his new direction?

Rohit is standing at the centre of a circular field. He walks down to the west edge and then takes 135° clockwise turn and walks to the edge. He then turns to the north direction and takes another 180° clockwise turn and reaches the other edge. Which direction is he facing?

Rahul walks $20$ m towards the east and then takes a ${90}^{\mathrm{o}}$ anti-clockwise turn and walks $10$ m. He turns left and walks $20$ m. How far is he from his starting position?

A bug moves $2$ m towards west and then takes ${90}^{\mathrm{o}}$ anticlockwise turn and moves $1$ m. It turns left and moves $2$ m. How far is it from its starting position?

Sachin walks $200$ m towards the east, turns left and walks $100$ m, turns left again walks $200$ m. He then turns right and walks $100$ m. How far is he from the starting position?