Math, asked by Noshithakeerthipati, 9 months ago

A sum becomes 23/20 of itself in 2 years . the rate is ​

Answers

Answered by systemboss
5

Step-by-step explanation:

Here Principal = 20

Amount = 23

Interest = 23 - 20 = 3

Let rate of interest is r.

Using formula

 \frac{p \times r \times t}{100}  = 3 \\  \frac{20 \times r \times 2}{100}  = 3 \\ r =  \frac{300}{40}  = 7.5

The rate is 7.5% per annum

Answered by garima24122006
1

Step-by-step explanation:

Here Principal = 20

Amount = 23

Interest = 23 - 20 = 3

Let rate of interest is r.

Using formula

\begin{gathered} \frac{p \times r \times t}{100} = 3 \\ \frac{20 \times r \times 2}{100} = 3 \\ r = \frac{300}{40} = 7.5\end{gathered}100p×r×t=310020×r×2=3r=40300=7.5

The rate is 7.5% per annum

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