The contrapositive of the statement “If a number is divisible by 6, then it is divisible by both 2 and 3” is:
Write down the converse and contrapositive of the following:
If a positive integer n is divisible by 9, then the sum of its digits is divisible by 9.
Write the contrapositive and converse of the following statements.
(i) If x is a prime number, then x is odd.
(ii) It the two lines are parallel, then they do not intersect in the same plane.
(iii) Something is cold implies that it has low temperature.
(iv) You cannot comprehend geometry if you do not know how to reason deductively.
(v) x is an even number implies that x is divisible by 4