By giving a counter example, show that the following statement is false. If n is an odd integer, then n is prime.

By giving a counter example, show that the following statements are not true. (i) p: If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

By giving a counter example, show that the following statements are not true. (ii) q: The equation x^(2) - 1 = 0 does not have a root lying between 0 and 2.

Give one example each to the following statements. v. A number which is an integer but not a natural number.

Find counter examples to disprove the statements: If n is a whole number, then 2n^2+11 is a prime.

Find counter examples to disprove the following statements: Every rectangle is a square.

Give one example each to the following statements. i. A number which is rational but not an integer

Give one example each to the following statements. iii. An integer which is not a whole number

Write the contrapositive and converse of the following statements. If x is a prime number, then x is odd.

Give an example to satisfy the following statements. All whole numbers are integers but all integers are not whole numbers.

If n is a positive integer, then (1+i)^n+(1-i)^n=