stand next to the lamppost and face west ,walk 20 yards and then turn 90 degrees clockwise. Walk another 10 yards and then turn 45 degrees anticlockwise. Walk another 15 yards, reverse you direction and walk 5 yards back. Turn 135 degrees clockwise and walk another 10 yards . In which direction are you now facing?

After walking 20 yards to the west and turning 90 degrees clockwise, you would have walked 10 yards to the north. Then after turning 45 degrees anticlockwise and walking 15 yards, you would have moved northeast.When you reverse direction and walk 5 yards back, you will be moving southwest.After turning 135 degrees clockwise and walking another 10 yards, you will be moving southeast.So, you are now facing southeast.