Which of the following is the lightest in weight ?
A.A
B.B
C.C
D.D
E.E
Answer: C
Let C's weight be x.
Then, D's weight is 2x. E's weight is 4x. B's weight is 4.5x and A's weight is 9x.
So, the order of weights can be A > B > E > D > C.
C is the lightest in weight.