Correct Answer: (c) 8
Solution:In December 2019, 8 West African countries agreed to change the name of their common currency from 'CFA Franc' to 'ECO'. These 8 countries include Venin, Burkina Faso, Guinea-Bissau, Ivory Coast, Mali, Niger, Senegal and Togo. The name of the currency 'CFA Franc' has been changed to remove its association with the French colonial period.