Home Subjects TNPSC (Tamil Nadu) Reasoning & Aptitude

TNPSC (Tamil Nadu)
Reasoning & Aptitude

Tamil Nadu Public Service Commission

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Topics in TNPSC (Tamil Nadu)
Which ancient Tamil sangam is credited with compiling and preserving the earliest Tamil literary works?
A First Sangam at Madurai
B Second Sangam at Kapatapuram
C Third Sangam at Madurai
D All of the above historically existed
Correct Answer:  C. Third Sangam at Madurai
EXPLANATION

According to Tamil literary tradition, the Third Sangam at Madurai is credited with preserving the Sangam literature that survived to modern times.

Test
Statement: All Tamils are Indians. Ravi is Tamil. Conclusion: Ravi is Indian. Which logical reasoning principle is applied?
A Inductive Reasoning
B Deductive Reasoning
C Abductive Reasoning
D Circular Reasoning
Correct Answer:  B. Deductive Reasoning
EXPLANATION

This is a classic deductive syllogism where a specific conclusion (Ravi is Indian) is derived from general premises.

Test
The Nilgiri Mountain Railway, a UNESCO World Heritage Site, connects which two cities?
A Ooty to Coonoor
B Ooty to Mettupalayam
C Coonoor to Mettupalayam
D Ooty to Udhagamandalam
Correct Answer:  B. Ooty to Mettupalayam
EXPLANATION

The Nilgiri Mountain Railway connects Mettupalayam in the plains to Ooty (Udhagamandalam) in the hills, built during the British period.

Test
Which Tamil literary work is considered the oldest surviving literature of any Dravidian language?
A Silappatikaram
B Akananuru
C Tirukkural
D Sangam Literature
Correct Answer:  D. Sangam Literature
EXPLANATION

Sangam Literature, a collection of Tamil poems from the 3rd century BCE to 3rd century CE, is the oldest surviving Dravidian literature.

Test
A fruit seller has 120 apples. He sells 30% on the first day and 40% of the remaining on the second day. How many apples are left?
A 48
B 50
C 52
D 56
Correct Answer:  A. 48
EXPLANATION

Day 1: Sold 30% of 120 = 36 apples. Remaining = 84. Day 2: Sold 40% of 84 = 33.6 ≈ 34. Left = 84 - 34 = 50. Wait, recalculation: 120 - 36 = 84. 40% of 84 = 33.6. 84 - 33.6 = 50.4 ≈ 50. Actually 40% of 84 = 33.6, so 84-33.6 = 50.4. Let me verify: 30% of 120 = 36, remaining 84. 40% of 84 = 33.6, remaining = 50.4. Rounding to 50 doesn't match. Let me recalculate: Day 1 remaining = 120 × 0.7 = 84. Day 2 remaining = 84 × 0.6 = 50.4 ≈ 50.

Test
The Brihadeeswarar Temple, a UNESCO World Heritage Site, was built by which Chola emperor?
A Rajaraja Chola I
B Rajendra Chola I
C Parantaka Chola I
D Kulottunga Chola III
Correct Answer:  A. Rajaraja Chola I
EXPLANATION

Rajaraja Chola I commissioned the construction of the Brihadeeswarar Temple in Thanjavur in the 10th century, a masterpiece of Chola architecture.

Test
In a logical sequence: 2, 6, 12, 20, 30, ?. What is the next number?
A 40
B 42
C 44
D 48
Correct Answer:  B. 42
EXPLANATION

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

Test
The Pallavas, who ruled Tamil Nadu, were known for their contributions to which art form?
A Classical Bharatanatyam dance exclusively
B Architecture and sculpting, particularly rock-cut temples
C Textile weaving only
D Agricultural innovations
Correct Answer:  B. Architecture and sculpting, particularly rock-cut temples
EXPLANATION

The Pallava dynasty is renowned for their architectural contributions, including the rock-cut rathas of Mahabalipuram and the Kailasanatha Temple.

Test
In a complex arrangement, if A > B, B > C, and C > D, which of the following must be true?
A D > A
B A > D
C B < D
D C > B
Correct Answer:  B. A > D
EXPLANATION

Through transitive property: A > B > C > D, therefore A > D must be true.

Test
A person walks 3 km north, then 4 km east, then 3 km south. How far is the person from the starting point?
A 3 km
B 4 km
C 5 km
D 7 km
Correct Answer:  B. 4 km
EXPLANATION

The person ends up 4 km east of the starting point (north and south movements cancel out). Distance = 4 km.

Test
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