Question

The question below consists of a main statement followed by four numbered statements. From numbered statements, select the one that logically follows the main statement.
If the number of retail outlets is increased, then the prices will decrease or the consumption will increase.

विकल्प

• The prices did not decrease or the consumption did not increase implies that the number of retail outlets is not increased.

• The number of retail outlets is not increased means that the prices will not decrease and the consumption will not increase.

• The prices decreased or the consumption increased means that the number of retail outlets was increased.

• The prices did not decrease and the consumption did not increase implies that the number of retail outlets is not increased.

Answer 1

p - If the number of retail outlets is increased,
q - then the prices will decrease 
or r - the consumption will increase

The statement is of the form,
If p then q or r.
The implications are
(i) p ⇒ q or r
(ii) ~q and -r ⇒ ~p.
(iii) p and ~q ⇒ r
(iv) p and -r ⇒ q.
Choice "The prices did not decrease and the consumption did not increase implies that the number of retail outlets is not increased." is according to (ii).