Correct Answer - Option 1 : A
From the given information,
Six people A, B, C, D, E and F.
1) Weight of B is more than A but less than C.
C > B > A.
2) Weight of F is more than D but less than B.
B > F > D.
3) Weight of C is less than E.
E > C.
4) D is not the lowest in weight.
E > C > B > F > D > A.
5) The second-lowest person's weight is 62kg while the third-highest weight is 74 kg
The second-lowest person is D (62).
The third-highest person is B (74).
Hence, the weight of A is the lowest among them.