A certain sum of money doubles itself in 10 years in how much many years will it trible itself at the same rate?
Choose the correct choice from the following answers: A) 10 Yrs B) 20 yrs C) 30 yrs D) 35 yrs E) 40 yrs
Option A   Explanation:   100 ---- 100 --- 10   100 --- 10   --------------------   300 ---- 20 years   ANSWER 20 yrs
<result>B</result>
A certain sum of money doubles itself in 10 years in how much many years will it trible itself at the same rate?