Davji Shop sells samosas in boxes of different sizes. The samosas are
priced at Rs. 2 per samosa up to 200 samosas. For every additional 20
samosas, the price of the whole lot goes down by 10 paise per samosa.
What should be the maximum size of the box that would maximise the
revenue?

1) 240
2) 250
3) 300
4) 400
5) None of these

• 300
  
  If there are x samosas, then total price will be,
  P= x*(200-10*((x/20) -10))= 300x=x^2/2
  
  DP/dx= 300-x=0
  x=300
• 11 years agoHelpfull: Yes(0) No(1)