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Exam
Numerical Ability
How many squares are there in a chess board. A chess board has 8 rows and 8 columns.
(The answer is not 64.)
Read Solution (Total 2)
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- Squares of size 1x1 = 8^2 = 64
Squares of size 2x2 = 7^2 = 49
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Squares of size 8x8 = 1^2 = 1
Total number of squares = 1 + 4 + 9 .. 49 + 64 = 204 - 11 years agoHelpfull: Yes(0) No(0)
- = 1^2+2^2+3^2+4^2+5^2+6^2+7^2+8^2
= 8*9*17/6
=204 ans... - 11 years agoHelpfull: Yes(0) No(0)
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