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.
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).
Q.242Medium
All poets are creative. No creative person is lazy. Conclusions: I. No poet is lazy. II. Some lazy people are poets. Which conclusion(s) follow?
Answer: A
All poets are creative, and no creative person is lazy. By transitivity, no poet is lazy. I follows. II contradicts this, so II doesn't follow.
Q.243Hard
Some vegetarians are athletes. All athletes maintain discipline. Conclusions: I. Some vegetarians maintain discipline. II. All vegetarians are disciplined. Which conclusion(s) follow?
Answer: A
Some vegetarians are athletes, and all athletes maintain discipline. Therefore, some vegetarians (the athlete ones) maintain discipline. I follows. II doesn't follow as not all vegetarians are athletes.
Q.244Easy
In a row of 8 people, A is sitting at position 3 from left. B is sitting 2 positions to the right of A. C is sitting to the immediate right of B. What is the position of C from the left?
Answer: B
A is at position 3 from left. B is 2 positions right of A, so B is at position 3+2=5. C is immediate right of B, so C is at position 5+1=6.
Q.245Easy
If TIGER is coded as 5-9-7-5-18, what is the code for LION?
Answer: A
T=20→5, I=9→9, G=7→7, E=5→5, R=18→18. Pattern: Position in alphabet. L=12, I=9, O=15, N=14. Code = 12-9-15-14.
Q.246Easy
A is mother of B, B is sister of C, D is father of C. How is A related to D?
Answer: A
A is mother of B, B is sister of C means A is also mother of C. D is father of C. Therefore, A is wife of D.
Q.247Medium
All roses are flowers. Some flowers are red. Which conclusion is valid?
Answer: D
We cannot conclude whether some roses are red. Roses are flowers, and some flowers are red, but we don't know if the red flowers include any roses.
Q.248Medium
2, 5, 10, 17, 26, ?
Answer: B
Differences: 5-2=3, 10-5=5, 17-10=7, 26-17=9. Pattern: +3, +5, +7, +9, +11. So next = 26+11=37.
Q.249Easy
BOOK is to READ as FOOD is to ?
Answer: A
BOOK is something you READ. FOOD is something you EAT. The relationship is purpose/action.
Q.250Hard
Five friends are sitting in a circle. A sits opposite to C. B sits to the right of A. D is not adjacent to A. How many positions can E occupy?
Answer: B
In circle of 5: A-B-?-D-C or A-?-D-?-C patterns. With constraints, E can occupy 2 specific positions maintaining the circular arrangement.
Q.251Medium
If code for 'SAFE' is '5@#3' and code for 'RATE' is '2@53', what is the code for 'FATE'?
M is uncle of N, N is sister of O, O is father of P. How is P related to M?
Answer: A
M is uncle of N. N is sister of O, so M is also uncle of O. O is father of P, so P is nephew of O's uncle M.
Q.253Medium
Some politicians are honest. All honest people are trustworthy. Which is definitely true?
Answer: A
Some politicians are honest, and all honest people are trustworthy, therefore some politicians must be trustworthy (through the chain).
Q.254Medium
A train travels North for 10 km, then turns East and travels 15 km, then turns South and travels 10 km. What is the distance from starting point?
Answer: A
North 10 km, then East 15 km brings net position 15 km East. Then South 10 km cancels the North movement. Final position: 15 km East of start.
Q.255Easy
3, 6, 12, 24, 48, ?
Answer: C
Each number is multiplied by 2. 3×2=6, 6×2=12, 12×2=24, 24×2=48, 48×2=96.
Q.256Easy
CAR is to AUTOMOBILE as FLOWER is to ?
Answer: A
CAR is a specific example of AUTOMOBILE (category). FLOWER is a specific example of PLANT (category). The relationship is specific to general.
Q.257Hard
In a family, there are 6 members. X is married to Y. X has two children with Y. Z is brother of X. Z is married to W. W has sister V. How many females are there (minimum)?
Answer: B
Y (wife), W (wife), V (sister). Minimum 3 females identified. Children's gender unspecified.
Q.258Medium
If DREAM is coded as 4-18-5-1-13, what is code for SLEEP?
