CAT Quant Practice Problems

Question: For a positive integer n, let pn denote the product of the digits of n and sn denote the sum of the digits of n. The number of integers between 10 and 1000 for which pn + sn = n is
  1. 81
  2. 16
  3. 18
  4. 9

Correct Option:4

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CAT Quant Practice Problems
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