question_answer 1)

                What could be the possible 'one's' digits of the square root of each of the following numbers? (i) 9801                                 (ii) 99856 (iii) 998001           (iv) 657666025.

Answer:

                (i) 9801 The units digit of the square root of the number 9801 could be 1 or 9. (ii) 99856 The units digit of the square root of the number 99856 could be 4 or 6. (iii) 998001 The units digit of the square root of the number 998001 could be 1 or 9. (iv) 657666025 The units digit of the square root of the number 657666025 could be 5.