Do you think you are a genius? Well, solve this crazy brain teaser to know!
The three boxes Only a genius can solve this brain teaser 2 minutes! | Credit: Unsplash
New Delhi: You are standing in front of three boxes. One contains only apples, one contains only oranges, and the third contains a mix of apples and oranges. Each box is labeled, but every label is incorrect.
Your task is to correctly label all three boxes, but you are only allowed to pick one fruit from one box.
The Puzzle: How can you correctly label all three boxes by selecting just one fruit from one of the boxes?
Clues:
- The labels on the boxes are wrong. For example, if a box is labeled “Apples,” it cannot contain just apples.
- You can only select one fruit from one box to help determine the correct labeling.
Questions to Consider:
- Which box should you choose a fruit from?
- How does the label being incorrect help you deduce the contents of the other boxes?
- How can you use the fruit you pick to correctly relabel all the boxes?
Brain teaser answer
You have three boxes:
- One labeled “Apples”
- One labeled “Oranges”
- One labeled “Apples and Oranges”
But, all the labels are wrong.
Steps to solve:
- Pick a fruit from the box labeled “Apples and Oranges.”
- Since the label is wrong, this box has only one type of fruit—either all apples or all oranges, not both.
- If you pick an apple, that means this box only has apples.
- If you had picked an orange, it would mean this box only has oranges.
- Now that you know this box’s correct label, look at the other two boxes:
- The box labeled “Oranges” must be wrong. Since you know the box you just picked from has apples, this box must have both apples and oranges.
- The box labeled “Apples” must then contain only oranges (since the label is also wrong).
Final Answer:
- The box labeled “Apples and Oranges” actually contains only apples (if you picked an apple).
- The box labeled “Oranges” has both apples and oranges.
- The box labeled “Apples” has only oranges.
By picking one fruit, you can figure out how to fix all the labels!
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