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What will be the units digit of the squa...

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

Text Solution

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(i)`52rArr2^2=4`. `4` will be at its units place.
(ii)`977rArr7^2=49`. `9` will be at its units place.
(iii)`4583rArr3^2=9`. `9` will be at its units place.
(iv)`78367rArr7^2=49`. `9` will be at its units place.
(v)`52698rArr8^2=64`. `4` will be at its units place.
(vi)(vi)`99880rArr0^2=0`. `0` will be at its units place.
(vii)(vii)`12796rArr6^2=36`. `36` will be at its units place.
(viii)`55555rArr5^2=25`. `5` will be at its units place.
(ix)`53924rArr4^2=16`. `6` will be at its units place.
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