Question

Calculate the rate if Principal=Rs.3520, Time=2.5 years, Interest=Rs.792.

Answer 1

$A = P + I$

  $= 3520 + 792$

  $= 4312$

$SI = \frac{PRT}{100}$

$792 = \frac{8800*r }{100}$

$r = \frac{792}{88}$

$r = 9%$%

" * " = multiplication sign

Hope this helps