The square of an odd number is always odd .Is the given statement true?

Square of an odd number is an ________

Write 'T' for true and 'F' for false statement . (i) Every prime number is odd. (ii) Every even number is composite (iii) The sum of two odd numbers is always odd. (iv) The sum of two even numbers is always even. (v) The HCF of two given numbers is always a factor of their LCM .

The cube of an odd number is always an _________ number.

Consider the following statements : 1. Unit digit in 17^(174) is 9. 2. Difference of the squares of any two odd numbers is always divisible by 8. 3. Adding 1 to the product of two consecutive odd numbers makes it a perfect-square. Which of the above statements are correct?

Consider the following statements : L. Every prime number is odd. II. Product of any two prime numbers is odd. Which of the given statement(s) is/are correct?

The sum of first n odd natural numbers is always an odd number.