Q1,2,5-Matthew Wong

Q1. The statement is justified as a square can be a rhombus as it sides are all equal. but a rhombus cannot be a square as the angle of each side might not be 90º.

Q2. (D)
A) They are quadrilaterals as they both have four sides.
B) They are parallel
C) One of the sides are parallel

Q5. Lines BF and ED are parallel and so are lines BE and FD.