A man took loan from a bank at the rate of 12% p.a. S.I. After 20 years he had to pay Rs. 2100 interest only for the period. The principal amount borrowed by him was?  Choices:
A) 600 B) 715 C) 600 D) 875 E) 900
Principal = (100 * 2100) / (12 * 20)   = Rs.875   Answer: 875
<result>D</result>
A man took loan from a bank at the rate of 12% p.a. S.I. After 20 years he had to pay Rs. 2100 interest only for the period. The principal amount borrowed by him was?