Find the digit y in the three-digit number 2y2

4. \(\frac{2Y2}{4}=Z\)
In the equation above, Y is a digit in the three-digit number 2y2, and Z is a positive integer. Which of the following could be the digit Y?

  1. 4
  2. 2
  3. 1
  4. 6
  5. 8

We know that the digit Y should be between 0 and 9. We can start guessing to solve this problem, let us try the digit 1 and see if it gives the right answer.


53 is a positive integer number.

The answer is: C