MathDB
1998 Gauss (7) #2

Source:

February 25, 2017
Gauss

Problem Statement

The number 45674567 is tripled. The ones digit (units digit) in the resulting number is
<spanclass=′latex−bold′>(A)</span> 5<spanclass=′latex−bold′>(B)</span> 6<spanclass=′latex−bold′>(C)</span> 7<spanclass=′latex−bold′>(D)</span> 3<spanclass=′latex−bold′>(E)</span> 1<span class='latex-bold'>(A)</span>\ 5 \qquad <span class='latex-bold'>(B)</span>\ 6 \qquad <span class='latex-bold'>(C)</span>\ 7 \qquad <span class='latex-bold'>(D)</span>\ 3 \qquad <span class='latex-bold'>(E)</span>\ 1
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