Compare the knowledge of persons X, Y, Z, A, B and C in relation to each other.
1.X knows more than A.
2.Y knows as much as B.
3.A knows more than C.
4.A knows more than Y.
Who is most knowledgeable person amongst all is:
(a) X (b) Y
(c) A (d) C
Answer is (a)
We have: X>A, Y = B, A > C, A>Y and
Now as X>A and A>C there fore X>A>C then third and forth option is not possible, as X>A and A>Y there fore X>Y then second is also not possible
There fore first option is correct.
So, X is the best knowledgeable person.