23 January 2016

325. Rectangle 5X2: Remove 3 leaving 7 squares

Easy Medium Hard Extreme

There is a total of 14 squares in the layout above - 10 squares of size 1X1 and 4 of size 2X2. Make sure you agree with this.

By removing only 3 matchsticks the number of squares must be reduced to 7. Which 3 matchsticks would you remove?

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