state gov Patna High Court Mazdoor (Group C) Mock Test 2025 Quantitative Aptitude Interest Simple Interest
A sum, when invested at 20% simple interest per annum, amounts to ₹2160 after 3 years. What is the simple interest (in ₹) on the same sum at the same rate in 1 year?
1
135
2
1080
3
540
4
270