question_answer

Direction: Choose the set of three statements where the third statement can be logically derived from the preceding two.

Statements

(1) All boys need books.

(2) All girls need books.

(3) Punjabis are girls.

(4) Some Punjabis need book.

(5) All boys are girls.

(6) Some boys are Punjabis,

The set of statements is:

A) 5, 4, 1              

B) 2, 5, 3  

C) 6, 5, 3  

D)        5, 2, 1

Correct Answer: D

Solution :

Sol.      [d]

5. All boys are girls.

2. All girls need books.

1. All boys need books.

Hence, from the above Venn diagram it is clear that all boys need books.

1 can be derived from first two.