Andes mountains pass through how many of the above countries?

Q. Consider the following countries :

I. Bolivia

II. Brazil

III. Colombia

IV. Ecuador

V. Paraguay

VI. Venezuela

Andes mountains pass through how many of the above countries?

(a) Only two

(b) Only three

(c) Only four

(d) Only five

Correct Answer: (c) Only four 

[Bolivia, Columbia, Equador, Venezuela]