Q9Multiple choice
Write down the contrapositive of the following statements:
- (i)If x = y and y = 3, then x = 3.
- (ii)If n is a natural number, then n is an integer.
- (iii)If all three sides of a triangle are equal, then the triangle is equilateral.
- (iv)If x and y are negative integers, then xy is positive. (v) If natural number n is divisible by 6, then n is divisible by 2 and 3. (vi) If it snows, then the weather will be cold. (vii) If x is a real number such that 0 < x < 1, then x2 < 1.