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Logical Reasoning
General Mental Ability
how many squares in chess board?
Read Solution (Total 2)
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- 8^2+7^2+6^2+5^2+4^2+3^2+1^2=204
- 11 years agoHelpfull: Yes(9) No(1)
- number of squares in chess board=n*(n+1)*(2n+1)/6
for chess board n=8
8*9*17/7=204
- 9 years agoHelpfull: Yes(2) No(0)
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