Question

Which of the following options is a counterexample that proves the given conditional statement false?

If a number is divisible by ten, then it is divisible by four.

Multiple Choices:
10
20
40
100

Answer 1

If a number is divisible by ten, then it is divisible by four, the counter example is 10 because you can't divide it by 4 and get a whole number, unlike the other choices. 

Answer 2

Counter example to prove the statement "If a number is divisible by ten, then it is divisible by four" false is:

10

Explanation:

We are given a statement:

"If a number is divisible by ten, then it is divisible by four. "

We have to find the counter example to prove the following statement wrong.

10 is divisible by ten

then, according to the above statement it must also be divisible by four

but 10 is not divisible by four

Hence, Counter example to prove the statement "If a number is divisible by ten, then it is divisible by four" false is:

10