A man took loan from a bank at the rate of 12% p.a. S.I. After 10 years he had to pay Rs. 1500 interest only for the period. The principal amount borrowed by him was?  Select the correct option:
A) 1502  B) 1900  C) 1250  D) 1750  E) 2000

Rationale: "principal = ( 100 * 1500 ) / ( 12 * 10 ) = rs . 1250 answer : c"
Answer: C