Question (7/66)
The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is ?(A) 4 Years
(B) 5 Years
(C) 6 Years
(D) 7 Years
Question (8/66)
A sum of money placed at compound interest doubles itself in 5 years. It will amount to eight times itself at the same rate of interest in how many years ?(A) 10 Years
(B) 15 Years
(C) 20 Years
(D) 25 Years