The price of a jewel, after passing through three merchants rises on the whole by 80%. If the first and the second merchants earned 20% and 25% profit respectively, find the percentage profit earned by the third merchant.

• ans=20%
  let initial price is 100 then final will be 180
  100---+20%------120
  120 ----- +25%----150
  150-----+20%-----180
• 9 years agoHelpfull: Yes(16) No(0)
• ans;20%,
  100-->120
  120-->150
  120% of 150 =180
  so profit is 20%
  in the case of profit:
  sp=(100+x)% of cp.
• 9 years agoHelpfull: Yes(3) No(0)
• Let the price is 100 then final price will 180
  100------20%------120
  120 ----- 25%----150
  150-----20%-----180
  
• 9 years agoHelpfull: Yes(2) No(0)
• 3 diff merchants
  let first merchants profit is x
  x+20+30=80
  x=80-45
  x=35
  
• 9 years agoHelpfull: Yes(1) No(9)
• Let the original price of merchant is x and profit on third merchant is y%
  A/q
  ( 100+y)% of 120% of 125% of x=180% of x
  after solution ans will come
  
  ...............x=20%
  
• 8 years agoHelpfull: Yes(1) No(0)
• 100+(20% of 100)=120
  120+(25% of 120)=150
  150+(x% of 150)=180
  =>x=20%
• 6 years agoHelpfull: Yes(1) No(0)