question_answer

Wasim borrowed some money at 6% p.a. simple interest for the first four years, 8% p.a. for the next three years and 10% p.a. for a period beyond 7 years. At the end of 12 years, he earned Rs. 5880 as simple interest. How much money did he borrow ?

A) Rs. 6000

B) Rs. 8000

C) Rs. 9000

D) Rs. 10000