Question

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:

Answer 1

https://www.indiabix.com/aptitude/compound-interest/049002
Compound Interest - Aptitude Questions and Answers Page 2
https://www.indiabix.com/aptitude/compound-interest/049002
Compound Interest - Aptitude Questions and Answers Page 2
https://www.indiabix.com/aptitude/compound-interest/049002
Compound Interest - Aptitude Questions and Answers Page 2
http://www.careerbless.com/aptitude/qa/compoundinterest3.php
Compound Interest - Solved Examples - Set 3 - Careerbless