UPSC Prelims 2020 question on G20 Member Countries

The G20 (or Group of Twenty) is an international forum for the governments and central bank governors from 19 countries and the European Union (EU). It was founded in 1999 with the aim to discuss policy pertaining to the promotion of international financial stability.

The members of the G20 are: Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Republic of Korea, Mexico, Russia, Saudi Arabia, South Africa, Turkey, United Kingdom, United States, and the European Union.

Checking each option:
- Option (a): Argentina ✓, Mexico ✓, South Africa ✓, Turkey ✓ — ALL four are G20 members.
- Option (b): Australia ✓, Canada ✓, Malaysia ✗, New Zealand ✗ — Not all members.
- Option (c): Brazil ✓, Iran ✗, Saudi Arabia ✓, Vietnam ✗ — Not all members.
- Option (d): Indonesia ✓, Japan ✓, Singapore ✗, South Korea ✓ — Not all members.

Hence option (a) — Argentina, Mexico, South Africa and Turkey — is the correct answer.