Q. Which of the following is the oldest Upnishadas?
Answer: Brihadaranyaka upanishad
Notes: The Brihadaranyaka Upanishad is considered as  the oldest Upnishadas scriptures of Hinduism. It  is tenth in the Muktika  of 108 Upanishads.

This Question is Also Available in:

हिन्दी
Question Source: 📚This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.
📌 Question Number: 192 in Indian Culture: 01-Religion and Philosophy in the above course in App.