Orthodox Hindus hold that there are six ‘astika’ systems of Hinduphilosophy, of these the oldest is

Q. Orthodox Hindus hold that there are six ‘astika’ systems of Hindu philosophy, of these the oldest is
(a) Yoga
(b) Mimamsa
(c) Samkhya
(d) Vedanta
Ans: (c) Samkhya
Explanation: Samkhya is the oldest of the orthodox philosophical systems in Hinduism, with origins in the 1st millennium BCE.