Alun wrote each of the numbers from 1 to 160 on cards and arranged them in 10 rows of 16 cards each. Bree picked up the cards and arranged them in 16 columns of 10 cards each. As shown, the cards with the numbers 1 and 160 were in the same place as before. Two other cards were also in the same place as in Alun’s arrangement. What is the smaller of the numbers on these two cards?
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Primary Mathematics Challenge 2020 (2020)
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