Property 1 Cubes of all even natural numbers are even.

Write the cubes of all natural numbers between 1and 10 and verify the following statements : Cubes of all odd natural numbers are odd.Cubes of all even natural numbers are even.

Property 2 Cubes of all odd natural numbers are odd.

Property 3 Square of even numbers are always even numbers and squares of odd numbers are always odd numbers.

Which of the following statements are true (T) and which are false (F)? The sum of two even natural numbers is an even number.

Which of the following are examples of empty set? Set of all even natural numbers divisible by 5.

If n is an odd natural number greater than 1 then the product of its successor and predecessor is an odd natural number (b) is an even natural number can be even or odd (d) None of these

The sum of first 20 even natural numbers is

Cube of an even number is even.

Write the sum of first n even natural numbers.

If 1 is added to the product of two consecutive odd natural numbers it is equal to the square of the only even natural number between them.