Rs. 775, invested for 8 years gives an interest of Rs. 434. The rate of simple interest per annum is:

Rs. 775, invested for 8 years gives an interest of Rs. 434. The rate o

1.	Rs. 775, invested for 8 years gives an interest of Rs. 434. The rate of simple interest per annum is:
A.	8%
B.	7.5%
C.	7%
D.	9%
Answer» D. 9%