Andes mountains pass through how many of the above countries?

Explanation : 

I. Bolivia: The Andes Mountains run through Bolivia, dominating the western part of the country.

II. Brazil: The Andes Mountains do not pass through Brazil. The mountain ranges in Brazil are separate from the Andes.

III. Colombia: The Andes Mountains extend into Colombia, where they split into three parallel ranges.

IV. Ecuador: The Andes Mountains pass through Ecuador, forming two main chains with valleys in between.

V. Paraguay: The Andes Mountains do not pass through Paraguay. Paraguay lies to the east of the Andes.

VI. Venezuela: The Andes Mountains form the northernmost extension of the range in Venezuela.

Therefore, the Andes Mountains pass through Bolivia, Colombia, Ecuador, and Venezuela. This makes a total of four countries.