সঠিক উত্তর হচ্ছে: ২৭
ব্যাখ্যা: ∎The ASEAN Regional Forum (ARF) was established in 1994. It comprises 27 members: the 10 ASEAN member states (Brunei, Cambodia, Indonesia, Laos, Malaysia, Burma, Philippines, Singapore, Thailand and Vietnam), the 10 ASEAN dialogue partners (Australia, Canada, China, the EU, India, Japan, New Zealand, ROK, Russia and the United States), one ASEAN observer (PNG) as well as the DPRK, Mongolia, Pakistan, Timor-Leste, Bangladesh and Sri Lanka.