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

Since, Unit’s digits of square of numbers are 0, 1, 4, 5, 6 and 9. Therefore, the possible
unit’s digits of the given numbers are:
(i) 1 (ii) 6 (iii) 1 (iv) 5

Class 8 Maths Chapter 6 Exercise 6.3 Solution in Video

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https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-6/