Chess board?

Let me ask you a very familiar question,

How many squares are there on a chessboard? How many rectangles?
__________________
Cheers,
:) Prakso :)
Replies (10)

64 squares sir

No

there are 113 squares

No its not right..read the question carefully

there r 204 squares

How do you arrive at the figure?

8*8

7*7

6*6

5*5

4*4

3*3

2*2

1*1

 

8*8

7*7

6*6

5*5

4*4

3*3

2*2

1*1

 

There are many different-sized squares on the chessboard:

1, 8x8 square
4, 7x7 squares
9, 6x6 squares
16, 5x5 squares
25, 4x4 squares
36, 3x3 squares
49, 2x2 squares
64, 1x1 squares

Therefore, there are actually 64 + 49 + 36 + 25 + 16 + 9 + 4 + 1 squares on a chessboard! (in total 204).

very right .... now tell me about rectangles..

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