Question

If simple interest on a certain sum of money for three years is rs. 450 and the compound interest on the same sum at the same rate for 2 years is rs. 309, then the principal invested in rupees is : 1.rs. 3000 2.rs. 1875 3.rs. 1500 4.rs. 2250 5.rs. 2500

Answer 1

Bhaiya mention the rate first