In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? l m _ o _ n m _ l _ n _ _ n m l
In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
A man travels 10 km towards west, then he takes a turn towards north-east and travels 20 km in the direction. He again takes a turn towards south-east and covers 5 km. Taking starting point as the origin, in which direction is he now?