Question

the simple interest on rupees 800 when invested at a certain rate of interest per annum for 4 years is equals to that on rupees 625 when invested for 8 years at a rate of 4% per annum find the rate of interest per annum in the first case​

Answer 1

Answer:

19.53125%

Step-by-step explanation:

Simple interest=625

Principal=800

Time=4yrs.

Rate of interest per annum=(625×100)÷(800×4)=19.53125%

Answer 2

Answer:

$here \: is \: ur \: answer.... \\ \\given \\ rate \: of \: interest = 625 \\ principal = 800 \\ time = 4yrs \\ rate \: of \: interest \\ = (625 \times 100) \div (800 \times 4) \\ = 19.53125 \\ \\ hope \: it \: helps \: u.... \\ please \: mark \: as \: brainlalist.... \\ \\ thanku.... \\ divu.$