Ibraheem has 10 cards. Four display the letter P; three display Q; two display R and one displays S. He also has 10 counters. One shows the number 3; two show 1; three show 4 and four show 2. He places one counter on the top of each card so that every pairing is different. Which one of these pairings does he not make?
Select one option, then click Submit.
P2
R4
Q1
R2
S4
Select an option, then submit.
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