Option C:
p ⇒ r
Solution:
Given p ⇒ q and q ⇒ r.
p ⇒ q means if p is true then q is true.
q ⇒ r means if q is true then r is true.
To find which statement is true in the options.
Option A: s ⇒ p
There is no relation given in s. It must not be true.
Option B: p ⇒ s
There is no relation given in s. It must not be true.
Option C: p ⇒ r
If p is true to q and q is true to r, then p is true to r.
This means p ⇒ r
It must be true.
Option D: r ⇒ p
The relation between r and p is not specified.
