Question

All perfect squares are divisible by 2.

A.) true
B.) False, counterexample of 16
C.) False, counterexample of 15
D.) False, counterexample of 25

Answer 1

D. False, counter example of 25.
The reason for that is because A is not true, B is not a counterexample, C is not a square, so D is the answer.

Answer 2

the correct answer is C

Explanation:

because the square root of 15 is 3.8 and 3.8 isnt divisible by 2