Consider the following countries:

1. Austria
2. Bulgaria
3. Croatia
4. Serbia
5. Sweden
6. North Macedonia

How many of the above are members of the North Atlantic Treaty Organization?

1. Only three
2. Only four
3. Only five
4. All the six

Explanation

• Among the given options, members of NATO include Bulgaria, Croatia, Sweden and North Macedonia.

Answer: (b) Only four; Difficulty Level: Medium