Question

In the question, there is a main statement followed by four statements (a), (b), (c) and (d). From the choices, choose the ordered pair where the first statement implies the second statement and the two are logically consistent with the main statement.
Unless the Government seals the borders, illegal migration will not stop.

1. Government sealed the border.
2. Illegal migration has stopped.
3. Government had not sealed the borders.
4. Illegal migration will not stop.

Options

• cd

• ab

• cb

• ad

Answer 1

p - Unless the Government seals the borders,
q - illegal migration will not stop.
The implications of the above statement will
(i) ~ p ⇒ q and
(ii) ~q ⇒ p.
It can be cd or ba.
cd is the correct option.