Rajendra Chola I (985-1014 CE) expanded the Chola empire extensively and is often compared to Napoleon for his military conquests across South India and beyond.

As of 2024, Tamil Nadu is the second-largest manufacturing hub in India after Gujarat, contributing significantly to the national economy.

Mahabalipuram, also known as Mamallapuram, features stunning rock-cut temples and sculptures from the 7th century Pallava dynasty and is a UNESCO World Heritage Site.

The series follows the pattern n(n+1). For n=10: 10×11=110. The pattern is 1×2, 2×3, 3×4, 4×5, 5×6...

C. Rajagopalachari served as the first Chief Minister of Tamil Nadu (then Madras State) from 1952 to 1954.

Average speed = 2ab/(a+b) = 2×40×60/(40+60) = 4800/100 = 48 km/h

According to Tamil tradition, there were three Sangams (literary academies) - First, Second, and Third Sangam, spanning several centuries of Tamil literary history.

Paradip Port is located in Odisha. Chennai, Ennore, and Thoothukudi are the major ports in Tamil Nadu.

The pattern is (previous number × 2 + 1): 5→11(×2+1), 11→23(×2+1), 23→47(×2+1), 47→95(×2+1), 95→191(×2+1)

The Nilgiri Mountain Railway is a UNESCO World Heritage Site located in the Nilgiris district, one of the oldest mountain railways in Asia.