the price of a commudiaty (in rupees per kilogram)is 100+0.1*n. On the nth day of 207(n=1,2,....100).and then remains constant. on the other hand,the price of the another commudiaty (in rupees per kilogram)is 89+0.15*n.on the nth day of 2007 (n=12,...365).on which date in 2007 .will the prices of these two
commoditives be equal


a)April 11 b) may 20 c) may 21 d) April 10

• For 100 days , Price of commodity rises to 100+(100*0.1)=110.................................. (1)
  and then stays constant
  
  For n days price of 2nd commodity rises to 89+(0.15*n)............................................... (2)
  
  Equating (1) and (2)
  110=89+(n*0.15)
  
  we get n=140
  
  Which is May 20'
  
  So, answer is (b) May 20
• 8 years agoHelpfull: Yes(9) No(3)
• may20 is the answer
  
• 8 years agoHelpfull: Yes(5) No(0)