A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?
Choices:
A) 2:6
B) 2:6
C) 2:3
D) 2:4
E) 2:9
Let the principal be P and rate of interest be R%.   Required ratio = [(P * R * 6)/100] / [(P * R * 9)/100]   = 6PR/9PR = 6/9   = 2:3   Answer: 2:3
<result>C</result>
A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?