William has four cards with different integers written on them. Three of these integers are 2, 3 and 4. He puts one card in each cell of the grid shown. 2 × 2 The sum of the two integers in the second row is 6. The sum of the two integers in the second column is 10. Which number is on the card he places in the top left cell?
Select one option, then click Submit.
2
3
4
6
\text{Can't be sure}
Select an option, then submit.
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Junior Kangaroo 2018 (2018)
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