The following figure is folded to form a box. Choose from the alternatives (A), (B), (C) and (D) the boxes that is similar to the box formed.
Source: YouTube Video
How to answer these type of questions? How to decide whether triangles will be anticlockwise or clockwise in the closed box?
In the above YouTube video while explaining the answer, he claimed that since 1,2,3,4 are clockwise in given question they will be anticlockwise when they are closed to form a box. Is it true? If true then please prove it.