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.
If A is the brother of B, C is the daughter of B, D is the brother of C, then what is the relationship between A and D?
Answer: A
A is brother of B, so B is A's sibling. C is daughter of B (A's sibling), and D is brother of C. Therefore, D is the child of B (A's sibling), making A the uncle of D.
Q.24Easy
In a class of 40 students, some play cricket, some play football, and some play both. If 25 play cricket and 20 play football, how many play both?
Answer: B
Using set theory: Total = Cricket + Football - Both. 40 = 25 + 20 - Both. Both = 45 - 40 = 5.
Q.25Easy
A person walks 10 km north, then 5 km east, then 10 km south, then 5 km west. Where does he end up?
Answer: A
Walking 10 km N, then 10 km S cancels out vertically. Walking 5 km E, then 5 km W cancels out horizontally. The person returns to the starting point.
Q.26Easy
In a row of 8 people sitting left to right, P is 5th from the left. How many people are to the right of P?
Answer: B
If P is 5th from the left in a row of 8, then positions 6, 7, 8 are to the right. That's 3 people.
Q.27Easy
ELEPHANT : TRUNK :: KANGAROO : ?
Answer: A
As trunk is a distinctive feature/characteristic of elephant, pouch is a distinctive feature of kangaroo. The analogy is based on unique features.
Q.28Easy
Complete the series: Z, Y, X, W, V, U, __, __
Answer: A
The series is in reverse alphabetical order, decreasing by 1 each time. After U comes T, then S.
Q.29Easy
If CATS is coded as 3-1-20-19, then DOGS is coded as?
Answer: A
Each letter is replaced by its position in the alphabet: C=3, A=1, T=20, S=19. Similarly: D=4, O=15, G=7, S=19. Answer: 4-15-7-19.
Q.30Easy
In a race, Arjun finishes before Bhavna, and Bhavna finishes before Chaya. Devi finishes before Arjun. Who finishes last?
In a logic puzzle with 4 people and 4 attributes, if person A has attribute 1, person B doesn't have attribute 1, and persons C and D share attribute 1, then how many people have attribute 1?
Answer: C
Person A has attribute 1 (count: 1). B doesn't have it (count: 1). C and D both have it (count: 1 + 2 = 3). Total: 3 people have attribute 1.
Q.32Easy
If MATHEMATICS is coded as 13-1-20-8-5-13-1-20-9-3-19, how is LOGIC coded?
Answer: A
Each letter is coded by its position in alphabet. L=12, O=15, G=7, I=9, C=3.
Q.33Easy
A is the father of B. C is the daughter of B. D is the brother of B. What is D to C?
Answer: A
A is father of B, D is brother of B, C is daughter of B. So D is the brother of C's father, making D an uncle to C.
Q.34Easy
From point A, I walk 5 km north, then 3 km east, then 5 km south, then 2 km west. Where am I relative to point A?
Answer: A
North 5, then south 5 cancels out. East 3, then west 2 = 1 km east net displacement.
Q.35Easy
Which number should replace the question mark? 8, 24, 72, 216, ?
Answer: B
Each number is multiplied by 3. 8×3=24, 24×3=72, 72×3=216, 216×3=648.
Q.36Easy
If HEART is coded as IFBSU, what is the pattern?
Answer: A
H→I(+1), E→F(+1), A→B(+1), R→S(+1), T→U(+1). Each letter is shifted forward by 1 position.
Q.37Easy
Find the odd one out: APPLE, MANGO, CARROT, BANANA, GRAPE
Answer: A
CARROT is a vegetable, while all others are fruits.
Q.38Easy
PAINTING is to BRUSH as WRITING is to:
Answer: B
Brush is the tool used for painting; pen is the tool used for writing. The relationship is activity to instrument.
Q.39Easy
Pointing to a photograph, Ravi says 'She is the daughter of my father's only son's wife.' How is the person in the photograph related to Ravi?
Answer: B
Father's only son = Ravi himself. Ravi's wife's daughter = Ravi's daughter, but the relationship stated points to Ravi's brother's daughter = Niece.
Q.40Easy
Complete the series: Z1A, Y2B, X3C, W4D, ?
Answer: A
First letter decreases (Z→Y→X→W→V), middle number increases (1→2→3→4→5), last letter increases (A→B→C→D→E).