What will be the units digit of the squares of the following numbers?

(i) 52 (ii) 977


(iii) 4583 (iv) 78367


(v) 52698 (vi) 99880


(vii) 12796 (viii) 55555


(ix) 53924

(i) 52

Unit digit of (52)2 = unit digit of (2)2 = 4


(ii) 977


Unit digit of (977)2 = unit digit of (7)2 = 9


(iii) 4583


Unit digit of (4583)2 = unit digit of (3)2 = 9


(iv) 78367


Unit digit of (78367)2 = unit digit of (7)2 = 9


(v) 52698


Unit digit of (52698)2 = unit digit of (8)2 = 4


(vi) 99880


Unit digit of (99880)2 = unit digit of (0)2 = 0


(vii) 12796


Unit digit of (12796)2 = unit digit of (6)2 = 6


(viii) 55555


Unit digit of (55555)2 = unit digit of (5)2 = 5


(ix) 53924


Unit digit of (53924)2 = unit digit of (4)2 = 6


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