MathDB
2021 Individual #6

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April 28, 2022
2021 Individual

Problem Statement

Which of the following choices is an even number?
<spanclass=′latex−bold′>(A)</span>2⋅0+2−1<spanclass=′latex−bold′>(B)</span>20+21<spanclass=′latex−bold′>(C)</span>20−2+1<spanclass=′latex−bold′>(D)</span>2−0⋅2+1<spanclass=′latex−bold′>(E)</span>2⋅0+2+1<span class='latex-bold'>(A) </span>2 \cdot 0 + 2 - 1\qquad<span class='latex-bold'>(B) </span>20 + 21\qquad<span class='latex-bold'>(C) </span>2^0 - 2 + 1\qquad<span class='latex-bold'>(D) </span>2 - 0 \cdot 2 + 1\qquad<span class='latex-bold'>(E) </span>2 \cdot 0 + 2 + 1
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