CMAT 2015 Solved Question Paper

(d) From the above argument we see that,
Q= R, then S ≠ T .......(i)
S ≠ T, then U ≠ V .......(ii)
U ≠ V, then W ≠ X .....(iii)
From Eqs. (i), (ii) and (iii), Q= R, then W ≠ X
So, Q is R, then W is not X.
Hence, option (d) is correct.