Four columns are identical in all parameters except end conditions. Arrange them in their ascending order of load carrying capacity.
i) both ends are hinged
ii) both ends are fixed
iii) one end is fixed and the other end is free
iv) one end is fixed and the other end is hinged.
a) ii, iv, i, iii
b) i,iv, iii, ii
c) iii, i, iv, ii
d) i, ii, iii, iv