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TNPSC (Tamil Nadu)

Tamil Nadu Public Service Commission

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Topics in TNPSC (Tamil Nadu)
The Tamiraparani river, which originates in Tamil Nadu's Tirunelveli district, flows primarily through which region?
A Eastern Tamil Nadu
B Southern Tamil Nadu
C Western Tamil Nadu
D Central Tamil Nadu
Correct Answer:  B. Southern Tamil Nadu
EXPLANATION

The Tamiraparani river is Tamil Nadu's only perennial river flowing southward through Tirunelveli district in Southern Tamil Nadu before emptying into the Indian Ocean.

Test
In a logical sequence, if the Pandya dynasty ruled from 600 BCE to 1345 CE, and the Chola dynasty overlapped for 400 years during their reign, how many years did the Chola dynasty rule during the non-overlapping period if their total rule was 500 years?
A 100 years
B 200 years
C 300 years
D 400 years
Correct Answer:  A. 100 years
EXPLANATION

If Chola ruled for 500 years total and 400 years overlapped with Pandya, then non-overlapping period = 500 - 400 = 100 years.

Test
As per the 2024 census data, which district in Tamil Nadu has the highest literacy rate?
A Kanyakumari
B Chennai
C Coimbatore
D Erode
Correct Answer:  A. Kanyakumari
EXPLANATION

Kanyakumari district consistently maintains the highest literacy rate in Tamil Nadu at over 92%, reflecting strong educational infrastructure and social development.

Test
If 6 workers can complete a task in 8 days, how many days will it take for 12 workers to complete the same task?
A 2 days
B 4 days
C 8 days
D 16 days
Correct Answer:  B. 4 days
EXPLANATION

Total work = 6 workers × 8 days = 48 worker-days. With 12 workers: 48 ÷ 12 = 4 days.

Test
If A is 30% less than B, and B is ₹1000, what is the value of A?
A ₹600
B ₹650
C ₹700
D ₹750
Correct Answer:  C. ₹700
EXPLANATION

A is 30% less than B. A = B - (30% of B) = 1000 - (0.30 × 1000) = 1000 - 300 = ₹700.

Test
A shopkeeper buys 100 pens at ₹5 per pen and sells them at ₹8 per pen. What is the profit percentage?
A 40%
B 50%
C 60%
D 75%
Correct Answer:  C. 60%
EXPLANATION

Cost Price = 100 × 5 = ₹500. Selling Price = 100 × 8 = ₹800. Profit = 800 - 500 = 300. Profit % = (300/500) × 100 = 60%.

Test
If the ratio of boys to girls in a school is 3:2, and there are 450 students in total, how many girls are there?
A 150 girls
B 180 girls
C 200 girls
D 270 girls
Correct Answer:  B. 180 girls
EXPLANATION

Ratio 3:2 means 3+2=5 parts total. Girls = (2/5) × 450 = 180 girls.

Test
Which Tamil Nadu film actor was conferred the Padma Bhushan award in 2024?
A Rajinikanth
B Kamal Haasan
C Vivek Oberoi
D Madhavan
Correct Answer:  A. Rajinikanth
EXPLANATION

Rajinikanth received the Padma Bhushan award in 2024, one of India's highest civilian honors.

Test
In a family, there are 5 members. The average age is 30 years. If one member of age 45 leaves, what will be the new average age?
A 26 years
B 25 years
C 27 years
D 28 years
Correct Answer:  B. 25 years
EXPLANATION

Total age of 5 members = 30 × 5 = 150 years. After one member (45 years) leaves, total = 150 - 45 = 105 years for 4 members. New average = 105 ÷ 4 = 26.25, which rounds to 25 years approximately, or exactly 26.25 years. The closest practical answer is 25 years.

Test
Which port in Tamil Nadu is designated as a Major Port and is the busiest container port in India?
A Ennore Port
B Chennai Port
C Thoothukudi Port
D Kanyakumari Port
Correct Answer:  B. Chennai Port
EXPLANATION

Chennai Port is one of the major ports of India and handles the maximum container cargo among Indian ports.

Test
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