Q.281
Medium
A shopkeeper buys 100 pens at ₹5 each and sells them at ₹8 each. What is his profit percentage?
Explanation:
Cost Price = ₹500. Selling Price = ₹800. Profit = ₹300. Profit % = (300/500) × 100 = 60%
Q.282
Medium
Which of the following is NOT a traditional Tamil art form?
A Kathakali
B Bharatanatyam
C Karakattam
D Theyyam
Correct Answer:
A. Kathakali Explanation:
Kathakali is a traditional art form of Kerala, not Tamil Nadu. Bharatanatyam, Karakattam, and Theyyam are Tamil traditional art forms.
Q.283
Medium
The literacy rate of Tamil Nadu as per the 2021 census data is approximately:
Explanation:
Tamil Nadu has a literacy rate of approximately 75-80%, making it one of the most literate states in India, above the national average.
Q.284
Medium
Which of the following compounds contains 6 electrons? (Atomic numbers: H=1, C=6, N=7, O=8)
Explanation:
Carbon atom has 6 electrons. CH₄ has 10 electrons (6+4), H₂O has 10 electrons (8+2), NH₃ has 10 electrons (7+3).
Q.285
Medium
If APPLE is coded as 1-16-16-12-5, and ORANGE is coded as 15-18-1-14-7-5, what is the coding system?
A Position of letters in alphabet
B Reverse position in alphabet
C Random assignment
D Position multiplied by 2
Correct Answer:
A. Position of letters in alphabet Explanation:
A=1, P=16, L=12, E=5 (positions in alphabet). O=15, R=18, A=1, N=14, G=7, E=5.
Q.286
Medium
Which Tamil Nadu district produces the maximum amount of spices, earning it the nickname 'Spice Garden of India'?
A Nilgiris
B Idukki
C Cumbum Valley region
D Theni
Correct Answer:
A. Nilgiris Explanation:
The Nilgiris district, with its favorable climate, produces large quantities of spices including cardamom, cinnamon, and pepper.
Q.287
Medium
A man walks 8 km east, then 6 km north. What is the straight-line distance from his starting point?
A 10 km
B 12 km
C 14 km
D 15 km
Explanation:
Using Pythagoras theorem: Distance = √(8² + 6²) = √(64 + 36) = √100 = 10 km
Q.288
Medium
Which ancient Tamil sangam (literary assembly) period saw the compilation of the Sangam literature?
A 1st to 3rd century CE
B 5th to 7th century CE
C 8th to 10th century CE
D 11th to 13th century CE
Correct Answer:
A. 1st to 3rd century CE Explanation:
The Sangam literature, including works like Ettutogai and Pattupattu, was compiled during the 1st to 3rd century CE.
Q.289
Medium
What is the current literacy rate of Tamil Nadu as per the 2021 Census?
A 72.3%
B 78.3%
C 80.3%
D 82.1%
Explanation:
Tamil Nadu has a literacy rate of 80.3% according to the 2021 Census, one of the highest in India.
Q.290
Medium
Which Tamil Nadu chief minister served the longest tenure in the state's history?
A C.N. Annadurai
B M. Karunanidhi
C K. Kamaraj
D M.G. Ramachandran
Correct Answer:
B. M. Karunanidhi Explanation:
M. Karunanidhi served as Chief Minister for approximately 18 years across multiple terms, the longest in Tamil Nadu history.
