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
The possible ‘one’s’ digits of the square root of the numbers :
(i) 9801 is 1 or 9
(ii) 99856 is 4 or 6
(iii) 998001 is 1 or 9
(iv) 657666025 is 5