Question

If meena gives an interest of rupees 45 for one year at 9% per annum what is the sum she has borrowed?????​

Answer 1

Simple Interest =Rs.45, Rate (R)=9%, Times (T)=1 years

Simplet Interest =

$\frac{ P×R×T }{100} \\ </p><p>⇒ 45=100P×9×1 \\ </p><p>⇒ P=9×145×100 \\ </p><p>⇒ P=Rs.500</p><p></p><p>$

Answer 2

Simple interest = Rs.45, Rate (R) = 9%, Times (T) = 1 year

$simple \: interest \: = \frac{P×R×T}{100}$

$= 45 = \frac{P×9×1 }{100}$

$= P = \frac{45 \times 100}{9 \times 1}$

$P = Rs.500$

Hence, she borrowed Rs.500

hope it's helpful to you....