 
 <translate> P(1 + 20/100)n > 2P or (6/5)n > 2
Now, (6/5 * 6/5 * 6/5 * 6/5) > 2. So, n = 4 years.
So, the answer is (B). <ibo> P(1 + 20/100) n > 2P ma ọ bụ (6/5) n > 2 Ugbu a, (6/5 * 6/5 * 6/5 * 6/5) > 2. Ya mere, n = afọ anọ. Azịza ya bụ (B). 