The series follows the pattern n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42.

The Nilgiri Mountain Railway, a UNESCO World Heritage site, connects Mettupalayam to Ooty and is one of the oldest rack railways in India.

Coimbatore is known as the 'Detroit of Asia' because of its thriving automobile and two-wheeler manufacturing industry.

Each letter is shifted by 1 position forward. T→U, A→B, M→N, I→J, L→M. Similarly, N→O, A→B, D→E, U→V. So NADU = OBEV.

Tamil Nadu accounts for approximately 45% of India's total textile production, making it the largest textile hub in the country.

North 10 km - South 10 km cancel out vertically. Net displacement is 15 km east from point A.

Tamil Nadu announced the Semiconductor Policy 2024 to establish semiconductor manufacturing clusters and attract major global manufacturers to compete with other states.

Export = 60%, Domestic = 25%, Total accounted = 85%, Remaining for storage = 100% - 85% = 15%.

Chennai Port remains the largest, followed by Ennore Port and Thoothukudi Port in terms of cargo handling capacity in Tamil Nadu.

Purananuru is one of the Eight Anthologies (Ettuthokai) of Sangam literature, representing the earliest and most authentic Tamil literary works reflecting the Sangam age.