Maya's new house number has three digits. When she challenged her friends..................What is Maya's house number?Maya's new house number has three digits. When she challenged her friends to guess it, they tried: 135, 780, 785, and 732.
Answers
Answered by
3
Answer:
182
Solution:
The first digit must be 1 or 7. It can't be 7 as only one digit is correct in each guess. So it's 1.
The other digits in guess #1 (i.e. 3 and 5) must be incorrect. Therefore, from guess #3, the second digit is 8.
Guess #4 has a correct digit which must be its third ie 2.
Hope I helped you! :)
182
Solution:
The first digit must be 1 or 7. It can't be 7 as only one digit is correct in each guess. So it's 1.
The other digits in guess #1 (i.e. 3 and 5) must be incorrect. Therefore, from guess #3, the second digit is 8.
Guess #4 has a correct digit which must be its third ie 2.
Hope I helped you! :)
Similar questions