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Revision as of 13:04, 25 January 2024

Problem

What is the ones digit of \[222,222-22,222-2,222-222-22-2?\] $\textbf{(A) } 0\qquad\textbf{(B) } 2\qquad\textbf{(C) } 4\qquad\textbf{(D) } 6\qquad\textbf{(E) } 8$

Solution 1

\[222,222-22,222-2,222-222-22-2\] \[\equiv 2-2-2-2-2-2\] \[\equiv -8\] \[\equiv 2\] So the solution is $(B)$ $2$

~nikhil

~ CXP

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