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 December 3rd, 2018, 09:43 PM #1 Banned Camp   Joined: Dec 2018 From: rt6 Posts: 6 Thanks: 0 How to find compound interest Hello How to find compound interest if there is compound amount is Rs 5774 and time is 6 months principle amount is Rs5662 and interest is Rs112 how to find interest ? CI=P[(1+r)^n-1]
 December 3rd, 2018, 10:49 PM #2 Senior Member     Joined: Sep 2015 From: USA Posts: 2,529 Thanks: 1389 If I understand this an investment of Rs5662 was made at $r$ % interest for 6 months and it resulted in Rs112 interest. And you want to find the rate $r$? Compounded monthly? $\left(1+\dfrac{r}{12}\right)^6\times 5662 = 5774$ $\left(1+\dfrac{r}{12}\right)^6 = \dfrac{5774}{5662}$ $1+\dfrac{r}{12} = \left(\dfrac{5774}{5662}\right)^{1/6}$ $r = 12\left(\left(\dfrac{5774}{5662}\right)^{1/6}-1\right)$ $r = 0.03924 = 3.924\%$ Thanks from NTUYTUYTU
 December 3rd, 2018, 11:17 PM #3 Banned Camp   Joined: Dec 2018 From: rt6 Posts: 6 Thanks: 0 Hello sir What is formula of solving this
December 4th, 2018, 12:41 AM   #4
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Joined: Sep 2015
From: USA

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Quote:
 Originally Posted by NTUYTUYTU Hello sir What is formula of solving this
https://www.thecalculatorsite.com/ar...st-formula.php

 December 4th, 2018, 12:48 AM #5 Banned Camp   Joined: Dec 2018 From: rt6 Posts: 6 Thanks: 0 Hello Sir What is n and t its unit
 December 4th, 2018, 03:30 AM #6 Banned Camp   Joined: Dec 2018 From: rt6 Posts: 6 Thanks: 0 Hello sir How you get n=12 and nt=1/6
 December 4th, 2018, 05:24 AM #7 Senior Member   Joined: May 2016 From: USA Posts: 1,310 Thanks: 551 This is an old troll under a new name. Thanks from Denis
December 4th, 2018, 05:54 AM   #8
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Quote:
 Originally Posted by JeffM1 This is an old troll under a new name.
Sho is, sho is...
(and he still hasn't learned proper English...)

 December 4th, 2018, 07:58 PM #9 Banned Camp   Joined: Dec 2018 From: rt6 Posts: 6 Thanks: 0 Hello sir please explain the formula how to get n and t
 December 5th, 2018, 05:33 AM #10 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 n = 14th letter, t = 20th letter (6 from the end!).

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