The figure shows a solid. Which of the following options is Not a net of the solid?
A 
B 
C 
D 
not understood please explain.
Ans 1:
Class : Class 8
option C is the answer as when you fold each of the other figures (opt. a, b, d), you will get the same cuboid as asked in the question.
But in the third option, when you fold the figure along the lines, you will get a cuboid whose one face is missing.....
So, this is the explanation :)