Question

the maturity value after 3 year of certain sum of 15% simple interest is is 87000 find the principal amount

Answer 1

Answer:

The required  principal is Rs. 60000

Step-by-step explanation:

Formula used:

$Simple\:interest=\frac{P\:n\:r}{100}$

Let the principal be P

Amount after 3 years = Rs. 87000

$\implies\:P+\frac{P\:n\:r}{100}=87000$

$\implies\:P+\frac{P(3)(15)}{100}=87000$

$\implies\:P+\frac{P(3)(3)}{20}=87000$

$\implies\:P+\frac{9P}{20}=87000$

$\implies\:\frac{20P+9P}{20}=87000$

$\implies\:\frac{29P}{20}=87000$

$\implies\:\frac{P}{20}=3000$

$\implies\:P=3000*20$

$\implies\:P=Rs.60000$