A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
A. 16
B. 8
C. 12
D. 20
Answer:C
A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
A. 16 B. 8 C. 12 D. 20