Number S is equal to the square of the sum of the digits of a 2 digit number D. If the difference between S and D is 27, then D is
Explanation:
Let S be the square of the sum of the digits.
Substituting options,
Option 1, (3 + 2)2 – 24 ≠ 27
Option 2, (5 + 4)2 − 54 = 27
Hence, option (b).
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