If p = qand q=
which statement must be true?

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.

a = 11 : 4

b = 38

c = 1 for every 6