Subject: mathqa
Question: consider a lady took a loan from a bank at the rate of 12 % p . a . simple interest . after 3 years she had to pay rs . 9900 interest only for the period . the principal amount borrowed by her was
Option: 
A: rs . 2000
B: rs . 27500
C: rs . 20000
D: rs . 15000
Answer: B