GRE
The number of possible values the units digit of N
4
The units digit of $$888^{888}$$
The units digit of $$555^{555}$$
The remainder when $$8^{43}$$ is divided by 7
1
r
3
The remainder when $$7^{22}$$ is divided by 5
The probability of the three-digit integer formed by 1, 2 and 7 (the same figure can be used for more than once) that can be divisible by 4
$$\frac{7}{27}$$
The remainder when n is divided by 5
The remainder when n+10 is divided by 5
The remainder when 5($$10^{n}$$) + 1 is divided by 3
The remainder when 4($$10^{x}$$)+47 is divided by 3
The remainder when 123,456,789 is divided by 9
The greatest possible number of such integers
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