Squares of which of the following numbers will have 1 (one) at their u – InterviewSolution

1.

Squares of which of the following numbers will have 1 (one) at their unit’s place : (i) 57 (ii) 81 (iii) 139 (iv) 73 (v) 64

Answer»

The square of the following numbers will have 1 at their units place as (1)² = 1, (9)² = 81

81 and 139 i.e., (i) and (iii)

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