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Squares and Rectangles II (Posted on 2015-01-16) Difficulty: 2 of 5
(A) How many squares are there in the diagram given below?
(B) How many rectangles are there in the diagram given below?
+-----+-----+-----+-----+
|     |     |     |     |
|     |     |     |     |
+-----+-----+-----+-----+ 
|     |     |     |     |
|     |     |     |     |
+-----+-----+-----+-----+ 
|     |     |     |     |
|     |     |     |     |
+-----+-----+-----+-----+  
|     |     |     |     |
|     |     |     |     |
+-----+-----+-----+-----+  
      |     |     |     |
      |     |     |     |
      +-----+-----+-----+ 
            |     |     |
            |     |     |
            +-----+-----+ 
                  |     |
                  |     |
                  +-----+
*** If the length and width appear equal, then it is a square. If not, then it is a rectangle.

** The number of rectangles should exclude the ones that are counted as squares

  Submitted by K Sengupta    
Rating: 5.0000 (1 votes)
Solution: (Hide)
(A) The required number of squares is 40.
(B) The required number of rectangles is 155.

For an explanation, refer to the respective solutions submitted by Jer and Charlie here and, here

Comments: ( You must be logged in to post comments.)
  Subject Author Date
detail on the rectangle countsCharlie2015-01-16 10:10:39
SolutionA quick count.Jer2015-01-16 09:03:48
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