Previous-year papers
TNPSC Group 4 2025 question paper with answer key
2025 · G4
Questions 189 to 197 of 200
By TNPSC Guide editorial team · Last updated:
Question 189
The reading in a field book are as given below [Field book, as printed: chain line from A (bottom) to C (top), "To C (in meters)", readings 150, 120, 80, 50; offsets 20 to D at 120 (left), 50 to B at 80 (right), 30 to E at 50 (left); "From A"] The area of the field is
- A. 6550 m²
- B. 7550 m²
- C. 5750 m²
- D. 5650 m²
Answer and explanation
Correct answer: A. 6550 m²
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 118, question 189; final answer key 17.11.2025, S.No. 189: A)
Question 190
A person distributes his pens among four friends A, B, C and D in the ratio 1/3 : 1/4 : 1/5 : 1/6 then the minimum number of pens that the person should have is ________.
- A. 23
- B. 55
- C. 57
- D. 65
Answer and explanation
Correct answer: C. 57
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 119, question 190; final answer key 17.11.2025, S.No. 190: C)
Question 191
If the ratios formed using the numbers 2, 5, x, 20 are in the same order of proportion, then the value of x is
- A. 50
- B. 10
- C. 8
- D. 4
Answer and explanation
Correct answer: C. 8
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 119, question 191; final answer key 17.11.2025, S.No. 191: C)
Question 192
If the HCF of 108 and 234 is expressible of the form 23x − 51 then what is the value of x?
- A. 3
- B. 2
- C. 4
- D. 5
Answer and explanation
Correct answer: A. 3
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 120, question 192; final answer key 17.11.2025, S.No. 192: A)
Question 193
Find the HCF of the polynomials x³ + x² − x + 2 and 2x³ − 5x² + 5x − 3.
- A. x² − x + 1
- B. x² + x − 1
- C. −7x² + 7x − 7
- D. 7x² − 7x + 7
Answer and explanation
Correct answer: A. x² − x + 1
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 120, question 193; final answer key 17.11.2025, S.No. 193: A)
Question 194
Simplify : (4⁻¹ + 4⁻² + 4⁻³)⁰ × (4⁻¹ + 4⁻² + 4⁻³)¹.
- A. 63/19
- B. 19/63
- C. 21/64
- D. 64/21
Answer and explanation
Correct answer: C. 21/64
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 121, question 194; final answer key 17.11.2025, S.No. 194: C)
Question 195
The average mark of 25 students was found to be 78.4. Later on, it was found that score of 96 was misread as 69. Find the correct mean of the marks.
- A. 77.32
- B. 79.48
- C. 78.42
- D. 78.24
Answer and explanation
Correct answer: B. 79.48
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 121, question 195; final answer key 17.11.2025, S.No. 195: B)
Question 196
D, F, G, H, I and M are sitting in a row. I and M are in the centre, and F and D are at the beginning and at the end. G is sitting on the left of D. Then who is sitting on the right of F?
- A. H
- B. I
- C. M
- D. G
Answer and explanation
Correct answer: A. H
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 122, question 196; final answer key 17.11.2025, S.No. 196: A)
Question 197
If A = 26, SUN = 27, then CAT = ?
- A. 24
- B. 27
- C. 57
- D. 58
Answer and explanation
Correct answer: C. 57
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 122, question 197; final answer key 17.11.2025, S.No. 197: C)