what will be the remainder when (67^67+67) is divided by 68
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67^67 has 3 at its Unit digit....
Thus adding 67 to 3, We get 0 At unit's digit.... Now, Whatever the no., When divided by 68 it will give an even Remainder.... i.e. 2n, which is 66 as in the option
Thus adding 67 to 3, We get 0 At unit's digit.... Now, Whatever the no., When divided by 68 it will give an even Remainder.... i.e. 2n, which is 66 as in the option
myterent:
can u explain me how u get 67^67 unit digit is 3 plz,
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