TCS
Company
in 8*8 chess board what is the total number of squares??
Read Solution (Total 8)
-
- don't think like high school student it may be 64
Answer is 204 why because observe chess board deeply 1*1+2*2+3*3+4*4+5*5+6*6+7*7+8*8=204 by ramesh.mca gprec kurnool - 13 years agoHelpfull: Yes(30) No(4)
- 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(4) No(3)
- 64+1=65 as 8*8 is itsself a square
- 13 years agoHelpfull: Yes(0) No(26)
- it should be n(n+1)(2n+1)/n and then substitute n with 8....... The ans.will be 204
- 10 years agoHelpfull: Yes(0) No(3)
- Answer is........
64+49+36+25+16+9+4+1=204 - 10 years agoHelpfull: Yes(0) No(1)
- 204....no doubt
- 8 years agoHelpfull: Yes(0) No(0)
- it is 204, 8*8+7*7+6*6+5*5+4*4+3*3+2*2+1*1=204
- 7 years agoHelpfull: Yes(0) No(0)
- L.c.m of 20,30,60=600units
a can do 30 units
b can do 20 units
c can do 10units
a(2 days)+a+b+c=120=3 days
600/120=5*3=15 days - 7 years agoHelpfull: Yes(0) No(0)
TCS Other Question