Basic LR Sets

Four political parties W, X, Y and Z decided to set up a joint candidate for the coming parliamentary elections. The formula agreed by them was the acceptance of a candidate of the most of the parties. For aspiring candidates A, B, C and D approached the parties for their ticket.

  • A was acceptable to W but not Z
  • B was acceptable to Y but not X
  • C was acceptable to W and Y
  • D was acceptable to W and X

When candidate B was preferred by W and Z, candidate C was preferred by X and Z and candidate A was acceptable to X but not Y: Who got the ticket?

  1. A
  2. B
  3. C
  4. D

Answer

Acceptance of a candidate by political parties:

A - W,X

B - Y,W,Z

C - W,Y,X,Z

D - W,X

So, C was acceptable to all the parties.

The correct option is C.