# Write the possibl

(i) 9801

Unit digit = 1

Unit digit of square root = 1 or 9

As number is odd, square root is also odd

(ii) 99856

Unit digit = 6

Unit digit of square root = 4 or 6

As number is even, square root is also even

(iii) 998001

Unit digit = 1

Unit digit of square root = 1 or 9

As number is odd, square root is also odd

(iv) 657666025

Unit digit = 5

Unit digit of square root = 5

As number is odd, square root is also odd

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