What cannot be the number of coins removed by S?
Explanation:
Number of coins removed by S will be difference between 2 2-digit perfect squares.
Option (a): 9 = 25 - 16 Option (b): 65 = 81 - 16 Option (c): 48 = 64 - 16
Option (d): 14 cannot be the difference between 2 2-digit perfect squares.
Hence, option (d).
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