Answer :

(i) The given statement is False

As, the number of digits in a square can also be odd


e.g.: 121


(ii) The given statement is False


As, a prime number is one that is not divisible by any other number except by itself and 1


Thus, square of any number cannot be a prime number


(iii) The given statement is False


Let us take an example:


4 + 9 = 13


As, 4 and 9 are perfect squares of 2 and 3 respectively and their sum i.e., 13 is not a perfect square


(iv) The given statement is also False


Let us take an example:


36 – 25 = 11


As, 36 and 25 are perfect squares and their difference is 11 which is not a perfect square


(v) The given statement is True


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