Question

the principal that yields a simple interest of rs.1280 at 16% per annum for 8 months is ?

Answer 1

Answer:

Principal amount is 12000/- Rs

Step-by-step explanation:

Principal amount = x rupees

Simple -Interest= 1280 Rs

rate = 16%

Time = 8 months=2/3 year

$Simple \: Interest = \frac{P \times R \times T}{100} \\ \\ 1280 = \frac{x \times 16 \times 2}{3 \times 100} \\ \\ x = \frac{1280 \times 300}{2 \times 16} \\ \\ x = 80 \times 150 \\ \\ x= 12000 \: rs$

Principal amount is 12000/- Rs

Hope it helps you.