Write any five positive integers.

Write any five negative integers.

Write the following sets: Set of the first five positive integers.

Write the following sets: Set of the first five positve integers.

Show that one and only one out of n,n+2 or n+4 is diviseble by 3, where n is any positive integer.

Show that one and only one out of n, n +2 or n+4 is divisible by 3, where n is any positive integer.

Write a pair of negative integers whose difference gives 8. (b) Write a negative integer and a positive integer whose sum is –5. (c) Write a negative integer and a positive integer whose difference is –3.

The function f(x)=cos(pi/x) is monotonically increasing in the interval K is any positive integer is

Use Euclid's division lemma to show that the square of any positive integer is of the form 3p, 3p+1.