• # question_answer 16) The simple interest accrued in 9 years on a principal of Rs. 24, 250 is 162 per cent of the principal. What is the rate of interest per cent per annum? A) 16                                B) 22C) 18                                D) None of these

Suppose rate of interest r% per annum.   Then,              $\frac{162}{100}\times 24250=\frac{24250\times 9\times r}{100}$ $r=\frac{162}{9}$ $=18%$