 
 <translate> The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is?
Options:
(A) 6
(B) 4
(C) 5
(D) 3
(E) 1 Let's think first. Stream of consciousness: <hau> Mafi ƙarancin adadin shekaru cikakke wanda adadin kuɗin da aka bayar a 20% C.I. zai kasance fiye da ninki biyu? Zaɓuɓɓuka: (A) 6 (B) 4 (C) 5 (D) 3 (E) 1 Bari mu fara tunani. Ruwa na sani: 