Fun Quiz - Unlock This

Answer

Step 1

Based on the second statement, we know that 6, 4 and 3 are not the correct numbers. We can eliminate them

Step 2

Based on the 4th statement, we know that 2 is correct, but it is in the wrong position, it should not be in the 3rd digit. And based on the 5th statement, we know that 2 should not be in the second digit.

Therefore, 2 should be the first digit. Answer should be 2 - ? - ?

Step 3

Based on the third statement, 8 is wrong, because we know that the first digit is 2. We can eliminate all the 8. Also for the same statement, we know that 0 is the right number at the right position, which is the middle digit. The answer should be 2 - 0 - ?

Step 4

Lastly, we can take a look at the first statement. 5 can't be right because it is at the last digit, which is the correct position. So the last digit should be 1, because it is at the wrong position.

Answer: 2 - 0 - 1