which of the following will have 6 at the unit’s place? 124² , 78² , 72² , none of these
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Answer:
(A) Unit place of 26
2
= Unit place of 6
2
= 6
(B) Unit place of 49
2
= Unit place of 9
2
= 1
(C) Unit place of 34
2
= Unit place of 4
2
= 6
(D) Unit place of 43
2
= Unit place of 3
2
= 9
(E) Unit place of 244
2
= Unit place of 4
2
= 6
(F) Unit place of 68
2
= Unit place of 8
2
= 4
(G) Unit place of 5626
2
= Unit place of 6
2
= 6
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