Question

if Rs 250amounts to Rs 285 in 2years find the rate percent per annum. ​

Answer 1

Answer:7%

Step-by-step explanation:

P=Rs 250

R=?

T=2 yrs

A=Rs 285

I=A-P

(P×T×R)/100= Rs(285-250)

(250×R×2)/100 =Rs 35

(500×R)/100=35

5×R=35

R=35/5

R=7%

Answer 2

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$\frak \green{p = 250} \\ \frak \green{t = 2 \: years} \\ \frak \green{a = 285} \\ \frak \green{r = ? } \\ \\ \frak \red{i = a - p} \\ \\ \frak \red{ \frac{p \times t \times r}{100} }\frak \red{= rs(285 - 250) } \\ \\ \frak \red { = > \frac{250 \times r \times 2}{100} } = \frak \red{rs35} \\ \\ \frak \red{ = > \frac{500 \times r}{100 }}\frak \red{ = 35} \\ \\ \frak \red{ = > 5 \times r = 35} \\ \\ \frak \red{ = > r = \frac{35}{5} } \\ \\ \huge{ \boxed{ \purple{ \fbox{ \green{r = 7\%}}}}}$

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