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Question
Square of which of the following numbers will not have 6 at their unit’s place :
(i) 35
(ii) 23
(iii) 64
(iv) 76
(v) 98
Solution
The squares of the following numbers, Will not have 6 at their units place as only (4)2 = 16, (6)2 = 36 has but its units place 35, 23 and 98 i.e., (i), (ii), and (v)
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