Question

pankaj borrowed rupees 12000 from his friend . he gave rupees 2000 at 8%and remaining at 15%.how much interest did he pay in 3 years ?

Answer 1

principal amount(p)=12000/-                                                                                            first interest=ptr/100=(2000)(3)(8)/100=480/-                                                        second interest=(10000)(3)(15)/100=4500/-                                                         total interest=480+4500=4980/-