Reasoning is the one section where practice changes your score fastest, because the question types repeat even when the surface changes. Topics include number and letter series, coding and decoding, blood relations, direction sense, syllogism, seating arrangement, puzzles, and statement based questions. Solutions show the diagram or table used to reach the answer, which is the part worth copying into your own method.
All cats are animals. Some animals are pets. Which of the following conclusions is definitely true?
Answer: B
From 'All cats are animals' and 'Some animals are pets', we can only conclude that it's possible some cats are pets, but not definite.
Q.2Easy
No flower is a fruit. All fruits are sweet. What can be concluded?
Answer: B
Since no flower is a fruit, and all fruits are sweet, flowers cannot be sweet through this relation.
Q.3Easy
All doctors are professionals. All professionals are educated. Therefore, which conclusion follows?
Answer: C
By transitive property: All doctors are professionals, and all professionals are educated, therefore all doctors are educated.
Q.4Easy
Some books are novels. All novels are stories. Can we conclude 'Some books are stories'?
Answer: A
Some books are novels, and all novels are stories, therefore some books must be stories by logical deduction.
Q.5Easy
No vegetarian is a meat-eater. All carnivores are meat-eaters. What follows?
Answer: B
Since no vegetarian is a meat-eater and all carnivores are meat-eaters, it follows that no vegetarian is a carnivore.
Q.6Easy
All cricketers are athletes. Some athletes are disciplined. Which of the following is definitely true?
Answer: D
From the given statements, we cannot establish a definite relationship between cricketers and disciplined individuals. The second statement only tells us some athletes are disciplined, but doesn't specify if those athletes include cricketers.
Q.7Easy
No politician is corrupt. All honest people are politicians. Based on this, which statement is correct?
Answer: A
Since all honest people are politicians and no politician is corrupt, it follows that all honest people are not corrupt.
Q.8Easy
No artist is a businessman. All painters are artists. Therefore:
Answer: B
All painters are artists. No artist is a businessman. By logical chain, no painter can be a businessman.
Q.9Easy
Some leaders are visionary. All visionaries are forward-thinking. Can we say all leaders are forward-thinking?
Answer: B
Only some leaders are visionary, not all. Therefore, we cannot conclude all leaders are forward-thinking.
Q.10Easy
All mammals breathe through lungs. All humans are mammals. Some humans are swimmers. Which is definitely false?
Answer: D
All humans are mammals and all mammals breathe through lungs. Therefore, all humans breathe through lungs. Option D is definitely false.
Q.11Easy
No pessimist is happy. All depressed people are pessimists. Therefore:
Answer: B
All depressed people are pessimists. No pessimist is happy. Therefore, no depressed person is happy.
Q.12Easy
Some players are champions. All champions are confident. Can we conclude all players are confident?
Answer: B
Only some players are champions. We cannot conclude all players are confident as not all players are necessarily champions.
Q.13Easy
Pointing to a photograph, Ravi said, 'She is the daughter of my father's only son.' Who is the person in the photograph to Ravi?
Answer: B
Ravi's father's only son = Ravi himself. Ravi's son's daughter = Ravi's niece. The photograph shows Ravi's niece.
Q.14Easy
If TRAIN is coded as 20-18-1-9-14, how is PLANT coded?
Answer: A
Each letter is coded as its position in alphabet: T=20, R=18, A=1, I=9, N=14. Similarly: P=16, L=12, A=1, N=14, T=20. So PLANT = 16-12-1-14-20.
Q.15Easy
Traveling 30 km east, then 40 km north, then 30 km west, finally 20 km south. How far and in which direction from the starting point?
Answer: A
Net east-west displacement: 30 - 30 = 0 km. Net north-south displacement: 40 - 20 = 20 km north. Final position is 20 km north of starting point.
Q.16Easy
In a series: 2, 6, 12, 20, 30, ?, Find the missing number.
Answer: B
Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42. Each term is n(n+1).
