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