If a + b + c = 21, find the maximum value of abc.

• ans is 343
• 11 years agoHelpfull: Yes(1) No(2)
• Here sum of the variable is constant.
  So product will be maximum, when all the three variables are equal
  i.e., 3a = 21, a = 7.
  So product = 7 x 7 x 7 = 343
• 11 years agoHelpfull: Yes(1) No(0)