17. Jill is making a magic multiplication square using the numbers 1, 2, 4, 5, 10, 20, 25, 50 and 100. The products
of the numbers in each row, in each column and in the two diagonals should all be the same. In the figure
you can see how she has started. Which number should Jill place in the cell with the question mark?
(A) 2 (B) 4 (C) 5 (D) 10 (E) 25
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