Indian Culture
Vedangas (Limbs of Vedas) are :

All of these
Vyakarna (grammar) and Nirukta (etymology)
Siksha (phonetics) and Kalpa (rituals)
Chhanda (metrics) and Jyotisha (astronomy)

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Indian Culture
The fundamental principles of Buddha's teachings are represented by the four Nobel Truths viz. :

Dukkha, Dukkha Samuddaya, Dukkha Nirodha and Dukkha Nirodh-Gamini-Pratipada.
Sukhkkha, Dukkha Samuddaya, Dukkha Nirodha and Dukkha Nirodh-Gamini-Pratipada.
None of these
Suukkha, Sukkha Samuddaya, Dukkha Nirodha and Dukkha Nirodh-Gamini-Pratipada.

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