The ratio in which the money was lent at 6% and 9% is :

A sum of 5,000 was lent partly at 6% and partly at 9% simple interest. If the total interest received after 1 year was Rs.390, the ratio in which the money was lent at 6% and 9% is

1. 1 : 1
2. 3 : 2
3. 2 : 3
4. 1 : 2