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Puzzle | (4 Matchstick Problem)

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  • Difficulty Level : Medium
  • Last Updated : 26 Jan, 2022

Question:- 
You are given 4 matchsticks arrange in the form of a plus sign(as shown in the 
figure). Move one and only one of the 4 matchsticks to make a square. You 
may not bend or break of the matchstick. 

 

 

  
  

Solution: 

Approach-1 :
As shown in the above diagram, there are four matchsticks, two placed vertically and one horizontally. The solution is to move the left matchstick leaving a tiny square in the center of the figure. 

Approach-2:

Move the right matchstick to the slant position as shown in the figure.

Thank Palak Gupta for adding approach 2.

This article is contributed by Aakash Tiwari. If you like GeeksforGeeks and would like to contribute, you can also write an article using write.geeksforgeeks.org or mail your article to review-team@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks. 

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