Logical Reasoning Sectional Test 2026 (30 MCQs with Solutions)

Last Updated: June 2026

This sectional test isolates logical reasoning so you can build pattern-recognition speed in one section. It spans the high-frequency reasoning topics candidates report from TCS NQT, Infosys, Wipro, Accenture, and Cognizant rounds: number and letter series, coding-decoding, blood relations, direction sense, seating arrangement, syllogisms, and analogies. Sit it in 30 minutes, then study every solution.

Test Instructions

Topic Coverage

Questions

Q1. Find the next term: 3, 6, 12, 24, ?

A) 36 B) 42 C) 48 D) 54

Q2. Find the next term: 2, 5, 10, 17, 26, ?

A) 35 B) 37 C) 39 D) 41

Q3. Find the missing number: 7, 14, 28, 56, ?

A) 84 B) 98 C) 112 D) 120

Q4. Find the odd one out: 8, 27, 64, 100, 125

A) 27 B) 64 C) 100 D) 125

Q5. Complete: AC, EG, IK, MO, ?

A) PR B) QS C) QR D) RS

Q6. Find the next term: 1, 1, 2, 3, 5, 8, ?

A) 11 B) 12 C) 13 D) 14

Q7. Complete: Z, W, T, Q, ?

A) M B) N C) O D) P

Q8. If CAT is coded as DBU, how is DOG coded?

A) EPH B) EPG C) FPH D) EQH

Q9. If RAIN is coded as SBJO, how is SNOW coded?

A) TOPX B) TOPW C) TPOX D) UOPX

Q10. In a code, if 5 = E, 1 = A, then what is 12 5 1 4?

A) LEAD B) LEAF C) HEAD D) READ

Q11. If PLANT is coded as 16-12-1-14-20, how is SEED coded?

A) 19-5-5-4 B) 19-4-4-5 C) 18-5-5-4 D) 19-5-4-4

Q12. If MANGO is coded as NBOHP, how is APPLE coded?

A) BQQMF B) BQQMG C) BPQMF D) BQRMF

Q13. If FACE is coded as 6-1-3-5, what does 4-1-20-1 spell?

A) DATA B) DACA C) DOTA D) DABA

Q14. P is the father of Q. Q is the sister of R. R is the son of S. How is S related to P?

A) Wife B) Sister C) Mother D) Daughter

Q15. A is the son of B. C is the mother of A. D is the brother of C. How is D related to A?

A) Father B) Uncle C) Brother D) Grandfather

Q16. Pointing to a man, a woman said, "He is the son of my grandfather's only child." How is the man related to the woman?

A) Father B) Brother C) Uncle D) Cousin

Q17. X is the brother of Y. Z is the father of X. W is the mother of Z. How is W related to Y?

A) Mother B) Grandmother C) Aunt D) Sister

Q18. A man walks 4 km north, then 3 km east. How far is he from start?

A) 5 km B) 6 km C) 7 km D) 12 km

Q19. A man faces east, turns 90 degrees clockwise, then 180 degrees. Which way does he face?

A) North B) South C) East D) West

Q20. Starting from home, Ravi walks 5 km south, turns left, walks 5 km, turns left again, walks 5 km. In which direction is he from home?

A) North-east B) North-west C) South-east D) East

Q21. A man walks 10 m east, 10 m north, 10 m west, 10 m north. How far is he from start?

A) 10 m B) 15 m C) 20 m D) 25 m

Q22. In a row of 30, A is 12th from left. What is his position from right?

A) 18th B) 19th C) 20th D) 21st

Q23. Five friends sit in a row. P is left of Q but right of R. S is right of Q. T is at one end next to S. Who is in the middle?

A) P B) Q C) R D) S

Q24. In a ranking, Meena is 15th from top and 20th from bottom in a class. How many students are there?

A) 33 B) 34 C) 35 D) 36

Q25. Six people sit around a table. A is opposite D. B is between A and C. Who is opposite B?

A) C B) E C) F D) Cannot be determined

Q26. In a queue, there are 8 people ahead of and 5 behind a person. How many in the queue?

A) 12 B) 13 C) 14 D) 15

Q27. Statement: All cats are animals. All animals are living.

Conclusions: I. All cats are living. II. Some living things are cats.

A) Only I follows B) Only II follows C) Both follow D) Neither follows

Q28. Statement: Some pens are red. No red thing is blue.

Conclusions: I. Some pens are not blue. II. All pens are blue.

A) Only I follows B) Only II follows C) Both follow D) Neither follows

Q29. Analogy: Hot : Cold :: Up : ?

A) High B) Down C) Top D) Above

Q30. Analogy: Doctor : Patient :: Lawyer : ?

A) Court B) Client C) Judge D) Law

Answer Key

Worked Solutions

Q1. Each term doubles: 3, 6, 12, 24, 48. Answer: C.

Q2. Pattern n² + 1: 1+1=2, 4+1=5, 9+1=10, 16+1=17, 25+1=26, 36+1=37. Answer: B.

Q3. Each term doubles: 7, 14, 28, 56, 112. Answer: C.

Q4. 8, 27, 64, 125 are cubes (2³ to 5³); 100 is not. Answer: C.

Q5. First letters +4: A, E, I, M, Q. Second letters +4: C, G, K, O, S. Next = QS. Answer: B.

Q6. Fibonacci: each term is the sum of the previous two: 5 + 8 = 13. Answer: C.

Q7. Letters go back by 3: Z, W, T, Q, N. Answer: B.

Q8. Shift +1: C to D, A to B, T to U gives DBU. DOG +1: D to E, O to P, G to H = EPH. Answer: A.

Q9. Shift +1: R to S, A to B, I to J, N to O gives SBJO. SNOW +1: S to T, N to O, O to P, W to X = TOPX. Answer: A.

Q10. Numbers map to alphabet positions: 12 = L, 5 = E, 1 = A, 4 = D = LEAD. Answer: A.

Q11. Position codes: S = 19, E = 5, E = 5, D = 4 = 19-5-5-4. Answer: A.

Q12. Shift +1: M to N, A to B, N to O, G to H, O to P gives NBOHP. APPLE +1: A to B, P to Q, P to Q, L to M, E to F = BQQMF. Answer: A.

Q13. Decode positions: 4 = D, 1 = A, 20 = T, 1 = A = DATA. Answer: A.

Q14. P is father of Q, Q is sister of R, R is son of S. So S is the mother of Q and R, and P's wife. Answer: A.

Q15. A's son of B, C is mother of A, D is brother of C, so D is A's maternal uncle. Answer: B.

Q16. "Grandfather's only child" is the woman's parent, and the son of that parent is the woman's brother. Answer: B.

Q17. X is brother of Y (same parents), Z is father of X hence of Y, W is mother of Z, so W is the grandmother of Y. Answer: B.

Q18. Right triangle legs 4 and 3, hypotenuse = 5 km. Answer: A.

Q19. Facing east, a 90 degree clockwise turn makes him face south. A further 180 degree turn from south makes him face north. Answer: A.

Q20. Walk 5 km south, turn left to face east and walk 5 km, turn left to face north and walk 5 km. Net position: 5 km east of home and back level on the north-south axis (5 south then 5 north cancels), so he is due east of home. Answer: D.

Q21. East 10, north 10, west 10, north 10. Net horizontal = 10 - 10 = 0, net vertical = 20. Distance = 20 m. Answer: C.

Q22. Position from right = 30 - 12 + 1 = 19th. Answer: B.

Q23. Order: R, P, Q, S, T. The middle is Q. Answer: B.

Q24. Total = 15 + 20 - 1 = 34. Answer: B.

Q25. A opposite D, B between A and C, so the remaining pair E and F sit opposite each other; B is opposite E. Answer: B.

Q26. Total = 8 + 1 + 5 = 14. Answer: C.

Q27. All cats are animals and all animals are living, so all cats are living (I follows), hence some living things are cats (II follows). Answer: C.

Q28. Some pens are red and no red thing is blue, so those red pens are not blue, meaning some pens are not blue (I follows). II is false. Answer: A.

Q29. Hot is the opposite of cold as up is the opposite of down. Answer: B.

Q30. A doctor serves a patient as a lawyer serves a client. Answer: B.

Score Interpretation

Pattern Recognition Drill

Reasoning rewards recognizing the pattern before solving. Candidates report that the fastest improvement comes from grouping practice by type: do ten series questions, then ten coding questions, then ten blood-relation questions, each in a single focused block. The repetition burns the pattern into memory so that in the real test you classify the question in seconds and solve on reflex.

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Frequently Asked Questions

What reasoning topics appear most in placement tests?

Candidates report number and letter series, coding-decoding, blood relations, direction sense, seating arrangement, and syllogisms as the highest-frequency logical reasoning topics in TCS NQT, Infosys, and Wipro rounds. This sectional test weights all six so your practice mirrors the real distribution.

How do I get faster at seating arrangement and puzzles?

Always draw the diagram. Candidates report that the fastest solvers never attempt seating or puzzle questions in their head. A quick sketch with fixed and floating positions turns a two-minute struggle into a thirty-second solve. Practice the drawing habit until it is automatic.

Is reasoning easier to improve than quantitative?

Many candidates report reasoning is faster to improve because most question types follow a small number of fixed patterns. Once you recognize the pattern, series and coding questions become near-instant. The leverage is in pattern recognition, which this sectional test is designed to build.