Subject: mathqa
Question: rs . 6000 is lent out in two parts . one part is lent at 7 % p . a simple interest and the other is lent at 10 % p . a simple interest . the total interest at the end of one year was rs . 450 . find the ratio of the amounts lent at the lower rate and higher rate of interest ?
Option: 
A: 5 : 1
B: 5 : 9
C: 5 : 5
D: 5 : 3
Answer: A