MATHEMATICAL KANGAROO 2019 | Making pairs of numbers and couting

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Peru ALFRAM
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Published on ● Video Link: https://www.youtube.com/watch?v=pK_xMXDtXik


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Jörg is sorting his socks. Two socks with the same number are one pair. How many pairs can he find?
(A) 8 (B) 6 (C) 5 (D) 4 (E) 3



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