write an example for each of the following?

Question

write an example for each of the following
a) a true statment that has a false converse
b) a true statement that has a true converse
c) a false statement that has a true converse
d) a false statement that has a false converse

Answer 1

1. If two triangles are congruent they must be similar.
2.In isoceles triangles base angles are equal.
3.If a number is a whole number(0,1,2,...) it must be a natural(counting number...1,2....)
4.If a number is not positive it must be negative.The converse will be if a number is not negative it must be positive.

none can be true since we have zero which is not positive or negative.

Answer 2

How about..

a) If n is odd, then 2n is even
b) If n is odd, then n+1 is even
c) If 2n is even, then n is odd
d) If n is even, then n+1 is even

Answer 3

a) If n is odd, then 2n is even
b) If n is odd, then n+1 is even
c) If 2n is even, then n is odd
d) If n is even, then n+1 is even