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Logical Reasoning
Mathematical Reasoning
In 8*8 chess board what is the total number of squares.
Read Solution (Total 6)
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- 1^2+2^2+3^2+4^2+5^2+6^2+7^2+8^2=204....
formula=1^2+2^2+3^2+....+n^2 - 12 years agoHelpfull: Yes(19) No(1)
- there are total 204 squares in a ches board
in that..
SIZE
!
1X1=64(see horizontal and vertical squares)
2X2=49
3X3=36
4X4=25
5X5=16
6X6=9
7X7=4
8X8=1
therfore add all we get totl number of squares is 204 - 12 years agoHelpfull: Yes(8) No(1)
- the total no. of squares in chess board is 64
- 12 years agoHelpfull: Yes(2) No(17)
- he total number of squares in a n x n chess board is equal to "the sum of first n natural number squares"
i.e., n(n+1)(2n+1)6
So Substituting 8 in the above formula we get 204 - 11 years agoHelpfull: Yes(1) No(0)
- the ans is 1620.
explanation:
in this type of question there is formula mc2*nc2 where m and n are the no of vertical and horizontal straight line.put the value will get the ans. - 12 years agoHelpfull: Yes(0) No(7)
- no of squires=204
no of rectangles =9c2 *9c2 - 9 years agoHelpfull: Yes(0) No(0)
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