Birthday Puzzle
Puzzle:
On a new year day, two old friends (A and B) meet at a party. As they met after a long time person B wanted person A to guess his birthday. As both friends are not in touch for a long time person A was unable to guess his birthday. So person B decided to give some hints. Below are the hints:
- The day before yesterday I was 25 and next year I will be 28, then person B asked person A to find his birthday.
- The above condition can be true for only one day in the year
Solution:
Person B’s birthday is on December 31.
Explanation:
Person A met his old friend on New Year that is on January 1. So, the day before yesterday was December 30 at that time person B was 25 year old and at the present Day(January 1) B is 26 years old.
This year on December 31 person B will be of age 27 and next year his age will be 28.
Date | Age |
| December 30 | 25 years old |
| December 31 | 26 years old |
| January 1 (This year) | 26 years old |
| December 31 (This year) | 27 years old |
| December 31 (Next year) | 28 years old |
Therefore, Person B’s birthday is on December 31.
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