Ram invested Rs. 10000 at the rate of 15% per annum for 3 years at simple interest, and Rs. 20000 at the rate of 10% per annum for 2 years at compound interest. What will be the ratio of the simple interest to the compound interest?
1
15 : 13
2
14 : 11
3
10 : 7
4
15 : 14
5
12 : 7