Mathematics
Squares 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
Sq & Sq Roots
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Answer
According to the property of square number, if a number has 4 or 6 in its unit's place, then square of this number always has 6 at its unit place.
Hence, (i) 35, (ii) 23 and (v) 98 will not have 6 at their unit's place.
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