question_answer

Peterson invested certain sum of money nine years ago. He puts his money at the rate of 4% for first two year, 6% per annum for the next 4 years and 8% per annum for the period beyond 6 years. If at the end of the period he gets the simple interest as Rs. 1120, then his principal sum was:

A) (a) Rs. 2000                                        

B) (b) Rs. 2500

C) (c) Rs. 3000                                        

D) (d) Rs. 3500

E) (e) None of these