(i) Given 484 According to the property of perfect square i.e. the square of a odd number is always odd.But the given number 484 is not odd Therefore it is not square of odd number.
(ii) Given 961 According to the property of perfect square i.e. the square of a odd number is always odd.The given number 961 is odd, therefore it is square of odd number.
(iii) Given 7396 According to the property of perfect square i.e. the square of a odd number is always odd.But the given number 7396 is not odd Therefore it is not square of odd number.
(iv) Given 8649 According to the property of perfect square i.e. the square of an odd number is always odd.The given number 8649 is odd, therefore it is square of odd number.
(v) Given 4225 According to the property of perfect square i.e. the square of an odd number is always odd.The given number 4225 is odd, therefore it is square of odd number.