Answer:

725 and 190 are not a perfect square number

Step-by-step explanation:

A number is said to be perfect square is the factors of the number are in pair

We have given numbers

(i) 725 = 5×5×29

As the factors of 725 are not in pair so it is not a perfect square

(ii) 190 = 2×5×19

Factor of 190 are not in pair so it is not a perfect square

(iii) 841 = 29 ×29

Factor of 814 are in pair so 841 is a perfect square

(iv) 1089 = 3×3×11×11

As the factor of 1089 are in pair so it is a perfect square

Step-by-step explanation: