A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

madhu.mukherjee.946

  • one year ago

a loan earns interest at a certain rate (compound)per cent per annum.four years ago the amount was rs.81 ;now it is rs.144.what will the amount be two years hence?

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Use the formula and plug in the values.

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[A=P(1+\frac{ r }{ 100 })^n\]

  3. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    dude i know the formula but this sum is different

  4. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    basically we neither have p value nor t nor r only we have is two compound interest amount

  5. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you have P, A and n

  6. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    where do you see p and 81 and 144 are compound interest amount and not the total amount

  7. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it is the interest+year 0 p

  8. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    u solve the problem if you can and pls give me the steps coz i can't

  9. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    first rearrange the formula and put r to one side

  10. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[144=81(1+\frac{ r }{ 100 })^4\] \[\frac{ 144 }{ 81 }=(1+\frac{ r }{ 100 })^4\]

  11. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\frac{ 16 }{ 9 } = (1+\frac{ r }{ 100 })^4\]

  12. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\frac{ 4 }{ 3 } = (1 + \frac{ r }{ 100 })^2\]

  13. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\frac{ 4 }{ 3 } = 1+ \frac{ r }{ 50 } + \frac{ r^2 }{ 10000 }\]\[-\frac{ 1 }{ 3 } = \frac{ r }{ 50 } + \frac{ r }{ 10000 }\]

  14. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i do not think this is ok...coz the answer given id 191.40

  15. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    some typos there

  16. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok thanks anyways

  17. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    mines 15.47

  18. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no its 191.40

  19. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thanks for you try

  20. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the interest rate is 15.47

  21. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so the 2 years stuff its up to you to try

  22. madhu.mukherjee.946
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i'm so sorry saseal pls don't mind your calculation was absolutely correct .....i understood the sum a little later thanks dude thank you so much

  23. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.