Detailed Explanation:

Answer: Option 2 — Only two pairs

This question tests the knowledge of Indian medieval dynasties and their rulers. Out of the four pairs given, only Pair 1 (Nannuka-Chandela) and Pair 3 (Nagabhata II-Gurjara-Pratihara) are correctly matched, while Pairs 2 and 4 have incorrect dynasty associations.

✅ Pair 1 – Correct: Nannuka was the founder of the Chandela dynasty in the 9th century CE, which ruled over the Bundelkhand region.
❌ Pair 2 – Incorrect: Jayashakti belonged to the Chandela dynasty (he was the son of Kirtivarman), not the Paramara dynasty.
✅ Pair 3 – Correct: Nagabhata II (circa 805-833 CE) was a prominent ruler of the Gurjara-Pratihara dynasty who successfully defended against Arab invasions.
❌ Pair 4 – Incorrect: Bhoja (circa 1010-1055 CE) was the most illustrious ruler of the Paramara dynasty of Malwa, not the Rashtrakuta dynasty.

📝 Short Notes: Major Medieval Indian Dynasties