Math, asked by Saykasayyed, 1 year ago

principal=8000es
rate=p.c.p.a
time=N=3years


find=interests?
find =amount?

formula is =p{1+r/100}N


guys give me fats tomorrow is my paper of this q​


Saykasayyed: rate is guys 8%

Answers

Answered by abhi569
8

Answer:

Required amount is 10,077.696 and interest is Rs 2,077.696.

Step-by-step explanation:

It is given that the principal is Rs 8000, rate of interest is 8% and the time is 3 years.  

According to the question, let A be the amount which we get after the finishing of 3rd year.  

We know,  

Amount = P{ 1 + r / 100 }^n

Thus,  

= > Amount = Rs 8000 x ( 1 + 8 / 100 )^3

= > Amount = Rs 8000 x ( 1 + 2 / 25 )^3

= > Amount = Rs 8000 x ( 27 / 25 )^3  

= > Amount = Rs 8000 x 27 / 25 x 27 / 25 x 27 / 25  

= > Amount = Rs 10,077.696

Therefore,  

Interest should be = Amount - Principal

                                 = Rs 10,077.696 - 8000  

                                  = Rs 2,077.696

Hence the required amount is 10,077.696 and interest is Rs 2,077.696.


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Answered by LovelyG
11

Solution:

Given that;

Principal (P) = Rs 8000

Rate of interest (R) = 8% p.a

Time (T) = 3 years

Formula to be used -

Amount = P { 1 + r /100 }ⁿ

⇒ Amount = 8000 { 1 + 8 / 100 }³

⇒ Amount = 8000 { 1 + 2 / 25 }³

⇒ Amount = 8000 { 27 / 25 }³

⇒ Amount = 8000 * 19683 / 15625

⇒ Amount = 10,077.696

Hence, the required amount is Rs 10077.696

Now, Interest is the difference of amount and the principle.

Interest = Amount - Principle

⇒ Interest = Rs (10,077.696 - 8000)

⇒ Interest = Rs 2077.696

Hence, the interest is Rs 2077.696

_______________________


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