Q. 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?

• (A) 4 p.c.p.a
• (B) 5 p.c.p.a
• (C) 7 p.c.p.a
• (D) 6 p.c.p.a