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?
If "x" stands for addition, "<" stands for subtraction, "+" stands for division, ">" stands for multiplication, "–" stands for equals to, "÷" stands for greater than and "=" stands for less than, which of the following holds true?