Question : Among A, B, C, D, E and F, who is the heaviest ?
Statements :
I. A and D are heavier than B, E and F but none of them is the heaviest.
II. A is heavier than D but lighter than C.
A. I alone is sufficient while II alone is not sufficient
B. II alone is sufficient while I alone is not sufficient
C. Either I or II is sufficient
D. Neither I nor II is sufficient
E. Both I and II are sufficient
Answer: Option A

both 1 and 2 are sufficent... here in first situation we did not know the exactly weight of c... either it will be same of b or less than e and f