Railways PYQCBT 2 2017

RRB NTPC · Question 114

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts and then decide which of the given conclusions logically follow(s) from the given statements. Statements: I) All lock is book. II) No book is colored. Conclusions: I) All book is lock. II) No lock is Colored.

  1. Both I and II follow

  2. Only conclusion II follows

  3. Either I or II follows

  4. Only conclusion I follows

Show answer & explanation

Answer: (B) Only conclusion II follows

Explanation

All locks are books and no book is coloured, so no lock is coloured (II follows). 'All books are locks' is the converse of a universal statement and does not follow.