Inductive vs. Deductive Reasoning

All quadrilaterals have 4 sides.A square has 4 sides. So a square is a quadrilateral.

If a*b=c, then c=a*b.

If A = B and B=C, then A=C.

Two episodes of the Big Bang Theory made me laugh. So, the Big Bang Theory is always funny.

All apples are fruits.All fruits grow on trees. Therefore all apples grow on trees.

An apple a day keeps the doctor away. John eats an apple a day.Dr. Dre stayed away.

AB + BC = AC. And AC = EF. Therefore, AB + BC = EF.

Reptiles are cold-blooded. Snakes are reptiles.Therefore, snakes are cold-blooded.

5, 10, 15, 20, 25, ______.The next number in this sequence is 30.