The figure given on the left hand side is folded to form a box. Choose from the alternatives (1), (2), (3) and (4) the boxes that is similar to the box formed.
I understood that box (1) and (2) are possible from given figure but I can't understand why box (3) isn't possible and how box (4) is possible? To solve this question, we are generally given time of less than 2 minutes. How to solve this question with such a less time. Any tips in solving these type of questions fastly?