A sum of amount 12,000 doubles in 5 years at C,I.what will be the amount after 15 years?

• 96000 Rs.
  Given, P(1+ r/100)^5 = 2P or (1+ r/100)^5 = 2
  If (1+ r/100)^5 =y ,then for 15 years, (1+ r/100)^15= y^3
  As y^1=2 ,y^3=2^3=8
  So amount will be 8 times the Sum =8*12000= 96000
• 9 years agoHelpfull: Yes(0) No(0)