Question

If Riya gives an interest of Rs. 450 for one year at 5% rate p.a. What is the sum she has borrowed ?

Answer 1

Step-by-step explanation:

si = 450

p = 450*100/5*1. formula dekhna

p = 9000

si = prt / 100 le formula bhi likh dia

Answer 2

The sum Riya has borrowed is Rs. 9000 if interest is Rs. 450 for one year at 5% rate p.a.

Given:

Simple interest , S.I = Rs. 450

Rate of interest , R = 5 % p.a

Time , T = 1 year

To find: The sum Riya has borrowed

Formula used:

$\bf S.I = \frac{PRT}{100}$

​where,

S.I = Simple interest

P = principal

R = rate of interest

T= time

Solution:

Step1: Find the Sum:

Let the sum Riya borrowed be P.

$\bf S.I = \frac{PRT}{100}$

$\bf 450= \frac{P\times 5 \times 1}{100}$

$\bf 450 \times 100 = P \times 5 \times 1$

$45000 = 5P \\\\P = \bf \frac{45000}{5}$

P = Rs. 9000

Hence, the sum Riya borrowed is Rs. 9000.

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