765 chairs are to be arranged in columns in such a way
that the number of chairs in each column should be
equal to the number of columns. How many chairs will
be excluded to make the arrangement possible.

• 36 chairs
  
  As nearest square near 765 is 729 =27x27
  So chairs to be excluded 765 - 729= 36
• 8 years agoHelpfull: Yes(0) No(0)