At what rate of simple interest per annum can an amount of Rs. 1553.40 be obtained on the principal amount of Rs. 8630 after 3 years?

• ক 7 p.c.p.a
• খ 8 p.c.p.a ✅ সঠিক উত্তর
• গ 4 p.c.p.a
• ঘ 5 p.c.p.a