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Class 10 > Class 10 Lessons > chess board question
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chess board question

Chandan V Singh
01/05/2017 0 0

How many squares are there in a chess board?

Simple- n (n+1)(2n+1)/6

Put  n=8 as there are 8 row/column

 so we get 8*9*17/6= 204 squares

Lik and comment to know how many rectangles are there in a chess board

Als the above formula is formula for finding sum of squares of first n no.s .

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