Samant bought a microwave oven and paid 10 % less than the original price. He sold it with 30% profit on the price he had paid.What percentage of profit did samant earn on the original price?
A. 17% B. 20%
C. 27% D. 32%

• let the original s.p. of microwave oven = 100
  samant bought at 10% discount i.e.=90
  samant sells it @ 30% profit i.e (90+30%of90)=117
  profit earn by samant on original price(i.e. on 100)is 17%
  ans:a) 17%
• 12 years agoHelpfull: Yes(4) No(2)
• Ans=17%
  Let original CP be Rs. x
  new CP=x-10%of x=Rs. 9x/10
  SP=9x/10 + 30% of 9x/10 = Rs. 117x/100
  Profit%=(SP-CP)*100/CP
  put the values from above taking original CP of oven,
  Profit%=17%
• 6 years agoHelpfull: Yes(0) No(0)