Sitaram, a money lender lent apart of Rs 200000 to Shyam at simple interest 6% p.a. and the remaining to Sushil at 10% p.a. at simple interest. Sitaram earned an annual interest income of Rs. 18000. Based on the given information answer the following questions :

In what ratio did Sitaram lent the money at 6% p.a. and 10% p.a. respectively ?

1 : 3 3 : 1 2 : 3 3 : 5

1 : 3