I am a 4-digit number. If my digits are reversed, I become a 3-digit number. What is the digit in my ones place?



Step by Step Explanation:
  1. Let us suppose that the 4-digit number is 3450.
  2. If we reverse the digits of the number, we will get 0543.
  3. 0543 is actually a 3-digit number, i.e., 543.
  4. So, the ones digit of the 4-digit number must be 0 such that if we reverse the number, it becomes a 3-digit number.

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