Puzzles # MCQs Practice set

Q.1 Four friends — Amit, Bala, Chirag, and Deepa — are sitting in a line. Bala is not at either end. Amit is to the left of Bala. Who is sitting at the extreme left?

Amit
Bala
Chirag
Deepa
Explanation - Since Bala is not at either end and Amit is to her left, Amit must be at the extreme left.
Correct answer is: Amit

Q.2 A is the father of B. But B is not the son of A. How is B related to A?

Daughter
Wife
Sister
Mother
Explanation - If B is not A’s son but A is the father, B must be A’s daughter.
Correct answer is: Daughter

Q.3 In a code language, ‘CAT’ is written as 3120. How is ‘DOG’ written in that code if each letter is replaced by its position in the alphabet and summed?

1521
2625
2615
2415
Explanation - D(4)+O(15)+G(7)=26; concatenating gives 2615.
Correct answer is: 2615

Q.4 Ravi is older than Mohan but younger than Suresh. If Suresh is 30, and Mohan is 25, which of the following is Ravi’s possible age?

24
28
31
22
Explanation - Ravi’s age must be between 25 and 30, so 28 fits.
Correct answer is: 28

Q.5 Five books A, B, C, D, and E are placed on a shelf. D is to the right of C but to the left of A. E is not at either end. Which book is in the middle?

B
C
D
E
Explanation - D is between C and A, making it the middle book if others align accordingly.
Correct answer is: D

Q.6 If SOUTH is coded as 81234, and NORTH as 51234, what is the code for WEST?

9432
9623
9423
9424
Explanation - Each letter’s unique code sequence follows pattern where W=9, E=4, S=2, T=3.
Correct answer is: 9423

Q.7 In a certain code, PAPER is written as PEAPR. How is TABLE written in that code?

TBALE
TBLAE
TAEBL
TALBE
Explanation - Letters after the first swap places; following the same logic TABLE → TBALE.
Correct answer is: TBALE

Q.8 Pointing to a man, Rina said, “He is the husband of my mother’s daughter.” How is the man related to Rina?

Brother-in-law
Father
Uncle
Brother
Explanation - Mother’s daughter is Rina herself; her husband is Rina’s father.
Correct answer is: Father

Q.9 If A+B means A is the mother of B; A−B means A is the brother of B; A×B means A is the father of B, then what does P×Q−R mean?

P is father of R
P is uncle of R
P is brother of R
P is grandfather of R
Explanation - P×Q ⇒ P is father of Q; Q−R ⇒ Q is brother of R; so P is uncle of R.
Correct answer is: P is uncle of R

Q.10 Three friends have different occupations: Teacher, Engineer, and Doctor. A is not a Doctor, B is not a Teacher. Who is the Engineer if A is the Teacher?

A
B
C
Cannot be determined
Explanation - If A is Teacher and B not Teacher, then B must be Engineer since C is Doctor.
Correct answer is: B

Q.11 A clock shows 3:15. What is the angle between the hour and minute hands?

7.5°
15°
22.5°
30°
Explanation - Hour hand at 3 moves 7.5° (0.5°×15 mins) ahead, total difference 7.5°.
Correct answer is: 7.5°

Q.12 Six people are sitting around a circular table. P is to the left of Q, and opposite to R. Who sits opposite to Q?

P
S
R
Cannot be determined
Explanation - Without knowing total arrangement, opposite to Q can’t be determined.
Correct answer is: Cannot be determined

Q.13 If the first two statements are true, is the third statement true? 1. All cats are animals. 2. All animals have four legs. 3. All cats have four legs.

True
False
Uncertain
None
Explanation - Logically, if cats are animals and all animals have four legs, then cats do too.
Correct answer is: True

Q.14 In a row of 10 people, A is 4th from the left and B is 3rd from the right. How many people are between A and B?

2
3
4
None
Explanation - Positions: A=4th from left → 4; B=8th from left → difference = 3, so 2 in between.
Correct answer is: 2

Q.15 A farmer has goats, cows, and hens totaling 100 heads and 260 legs. How many hens are there?

40
30
20
50
Explanation - Solving equations: g+c+h=100 and 4(g+c)+2h=260 ⇒ h=30.
Correct answer is: 30

Q.16 In a sequence of letters, A, C, F, J, O, what is the next letter?

S
T
U
V
Explanation - Pattern increases by +2, +3, +4, +5, next +6 → O+6=U.
Correct answer is: U

Q.17 If 12 men can complete a work in 6 days, how many days will 8 men take?

8
9
10
12
Explanation - Work ∝ 1/men ⇒ (12×6)/(8)=9 days.
Correct answer is: 9

Q.18 Two trains of equal length cross a pole in 6s and 8s respectively. In what time will they cross each other if moving in opposite directions?

7s
8s
9s
14s
Explanation - Speed ratio 8:6; total relative speed sum ⇒ (L/6)+(L/8)=L/7 ⇒ 7s.
Correct answer is: 7s

Q.19 In a family of 6, there are two couples and two children. Each couple has one child. How many male members can there be at maximum?

2
3
4
5
Explanation - If both husbands and both children are male, total = 4 males.
Correct answer is: 4

Q.20 Which number logically completes the series: 2, 6, 12, 20, 30, ?

40
42
44
46
Explanation - Differences increase by +2 each time: +4, +6, +8, +10 ⇒ next +12 ⇒ 30+12=42.
Correct answer is: 42

Q.21 If 3 pens cost the same as 2 pencils, and 6 pencils cost ₹18, what is the cost of 9 pens?

₹54
₹81
₹36
₹45
Explanation - 2 pencils=₹6 ⇒ 3 pens=₹6 ⇒ 1 pen=₹2 ⇒ 9 pens=₹18? Wait: check: 6 pencils ₹18 → 1 pencil ₹3 → 2 pencils ₹6 → 3 pens ₹6 ⇒ 1 pen ₹2 → 9 pens ₹18.
Correct answer is: ₹81

Q.22 A is twice as good a worker as B. Together they finish a task in 6 days. How long will A take alone?

8 days
9 days
10 days
12 days
Explanation - Work ratio A:B=2:1; together 3 units/day ⇒ A alone 2/3 ⇒ 6×(3/2)=9 days.
Correct answer is: 9 days

Q.23 Five persons P, Q, R, S, and T are sitting around a circle facing the center. Q is to the left of P, R is opposite to S. Who is opposite to T?

P
Q
R
S
Explanation - Arranging per conditions, Q sits opposite T.
Correct answer is: Q

Q.24 A cube painted on all sides is cut into 64 small cubes. How many cubes have exactly one face painted?

8
16
24
32
Explanation - Only cubes on faces but not edges: (4 per face × 6 faces)=24.
Correct answer is: 24

Q.25 Find the missing term: 3, 9, 27, 81, ?

162
243
324
225
Explanation - Each term ×3 ⇒ next term = 81×3 = 243.
Correct answer is: 243