Question

how much time will it take for an amount of rupees 900 to yield rupees 81 as interest at 4:00 per annum of simple interest.plz answer it fast it is urgent​

Answer 1

Answer:

Principal = Rs 900

Rate = 4%

Time = ?

Simple Interest = Rs 81

$SI = \frac{P*R*T}{100}$

$81 =\frac{900*4*T}{100}$

$\frac{81*100}{900*4} = T$

$\frac{9}{4} = T$

$2.25$ $years = T$

Hope it helps

Please mark my answer as BRAINLIEST

Answer 2

Step-by-step explanation:

450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ? Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.