Question

The simple interest on a sum of money is 1/9 of the principlr and the no of years is equal to rate perxent per annum .The percent per annum is

Answer 1

Answer:

Step-by-step explanation:

Sol: Let the principal be P. Rate of interest be R% According to the question, Time = R Simple interest = P/9. SI = (P × T × R) / 100 ⇒ P/9= (P × R × R) / 100 ⇒ P/9= (P × R2) / 100 ⇒ 1/9= (R2) / 100 ⇒ R2 = 100 / 9 ⇒ R = 10/3 Therefore, rate of interest is 10/3 % or 3 1/3 %.

Hope it helps you....

Answer 2

Answer:

10\3 or 31\3% is the right answer....