General Intelligence & Reasoning

1. Doctor : Stethoscope :: Painter : ?

• A. Canvas
• B. Brush (Correct)
• C. Paint
• D. Easel

Explanation: A stethoscope is the primary tool of a doctor; a brush is the primary tool of a painter.

2. 6, 12, 24, 48, ?

• A. 72
• B. 96 (Correct)
• C. 100
• D. 108

Explanation: Each term is multiplied by 2: 48 × 2 = 96.

3. Odd one out: Pen, Pencil, Marker, Eraser

• A. Pen
• B. Pencil
• C. Marker
• D. Eraser (Correct)

Explanation: Pen, Pencil, and Marker are writing instruments; Eraser is used to remove writing.

4. If WHITE = 25–8–9–20–5, how is BLACK coded?

• A. 2–12–1–3–11 (Correct)
• B. 2–12–1–3–10
• C. 1–12–1–3–11
• D. 2–11–1–3–10

Explanation: Positional values: B=2, L=12, A=1, C=3, K=11 → 2–12–1–3–11.

5. If X's mother is Y's daughter, how is Y related to X?

• A. Mother
• B. Grandmother (Correct)
• C. Sister
• D. Aunt

Explanation: Y's daughter is X's mother → Y is X's maternal grandmother.

6. Neha starts from home heading North, walks 3 km, turns East, walks 4 km. Distance from home:

• A. 5 km (Correct)
• B. 6 km
• C. 7 km
• D. 4 km

Explanation: Using Pythagoras: √(3²+4²) = √(9+16) = √25 = 5 km.

7. All birds fly. Penguin is a bird. Does Penguin fly?

• A. Yes, definitely (Correct)
• B. No, definitely not
• C. Cannot be determined logically
• D. Penguins are not birds

Explanation: By syllogism: All birds fly (major premise) + Penguin is a bird (minor premise) → Penguin flies. This is logically valid (even if factually debatable).

8. If 16 × 5 = 8 and 18 × 6 = 9, then 20 × 8 = ?

• A. 10 (Correct)
• B. 12
• C. 14
• D. 16

Explanation: 16÷5→8? No. 16+5=21? No. 16/2=8 ✓, 18/2=9 ✓, 20/2=10 ✓. The second number is irrelevant; divide first by 2.

9. If today is Monday, what day will it be after 100 days?

• A. Monday
• B. Tuesday
• C. Wednesday (Correct)
• D. Thursday

Explanation: 100 = 14×7 + 2. Monday + 2 = Wednesday.

10. If all doctors are graduates and some graduates are singers, what can be said about doctors and singers?

• A. All doctors are singers
• B. No doctor is a singer
• C. Some doctors may be singers (Correct)
• D. All singers are doctors

Explanation: We know all doctors are graduates; some graduates are singers. So some doctors (who are in the singer subset of graduates) might be singers.

11. Find the next: 3, 6, 11, 18, 27, ?

• A. 36
• B. 38 (Correct)
• C. 40
• D. 42

Explanation: Differences: 3, 5, 7, 9, 11 → Next: 27 + 11 = 38.

12. Thermometer : Temperature :: Seismograph : ?

• A. Earthquake (Correct)
• B. Sound
• C. Pressure
• D. Wind

Explanation: A thermometer measures temperature; a seismograph measures earthquake (seismic) activity.

13. Find the odd one: 17, 23, 29, 35, 41

• A. 17
• B. 23
• C. 29
• D. 35 (Correct)

Explanation: 17, 23, 29, 41 are prime numbers; 35 = 5 × 7 is composite.

14. If @ means ×, # means +, $ means −, % means ÷: 15 % 3 @ 4 # 2 $ 1

• A. 21 (Correct)
• B. 23
• C. 25
• D. 27

Explanation: 15÷3×4+2−1 = 5×4+2−1 = 20+2−1 = 21.

15. In a row of 8, A is at one end. C is 3 positions from A. B is between A and C. What is B's position?

• A. 2nd (Correct)
• B. 3rd
• C. 4th
• D. 5th

Explanation: A is at position 1. C is 3 positions away = position 4. B is between A (1) and C (4) → B is at position 2 or 3. Most likely 2nd from A's end.

16. A cube is cut into 27 smaller equal cubes. How many smaller cubes are at the corners?

• A. 4
• B. 6
• C. 8 (Correct)
• D. 12

Explanation: A cube always has 8 corners, so 8 smaller cubes are at the corners regardless of how many cuts are made.

17. Find the next: BDF, GIK, LNP, ?

• A. QSU (Correct)
• B. QRT
• C. QSV
• D. RSU

Explanation: Each group skips one letter: B(skip C)D(skip E)F, G(skip H)I(skip J)K, L(skip M)N(skip O)P, Q(skip R)S(skip T)U.

18. Priya is 5th from the left and 8th from the right in a row. Total students:

• A. 11
• B. 12 (Correct)
• C. 13
• D. 14

Explanation: Total = 5 + 8 − 1 = 12.

19. Some cats are dogs. All dogs are animals. Some animals are wild. Which conclusion is correct?

• A. Some cats are wild
• B. All cats are animals
• C. Some cats are animals (Correct)
• D. All animals are dogs

Explanation: Some cats are dogs (given) + All dogs are animals → those cats that are dogs are also animals → Some cats are animals.

20. In a code, MANGO is written as OCPIQ. How is APPLE coded?

• A. CRRNG (Correct)
• B. CQQNG
• C. CRQNG
• D. DRRNG

Explanation: Each letter shifted +2: M→O, A→C, N→P, G→I, O→Q → OCPIQ ✓. A→C, P→R, P→R, L→N, E→G → CRRNG.

21. Find the missing: 1, 8, 27, ?, 125

• A. 54
• B. 64 (Correct)
• C. 72
• D. 81

Explanation: These are perfect cubes: 1³, 2³, 3³, 4³=64, 5³=125.

22. Fish : Scales :: Snake : ?

• A. Wings
• B. Fins
• C. Scales (Correct)
• D. Fur

Explanation: Fish are covered with scales; snakes are also covered with scales (though different type — epidermal scales).

23. A walks 6 km North, then 8 km East, then 6 km South. Minimum distance back to start:

• A. 6 km
• B. 8 km (Correct)
• C. 10 km
• D. 14 km

Explanation: North 6, East 8, South 6 — the North and South cancel. Net: 8 km East. Distance back = 8 km West.

24. Which does not belong? Sun, Moon, Star, Earth

• A. Sun
• B. Moon (Correct)
• C. Star
• D. Earth

Explanation: Sun, Stars, and Earth are primary celestial bodies; Moon is a natural satellite (secondary body orbiting Earth).

25. Find the next: 100, 81, 64, 49, ?

• A. 25
• B. 36 (Correct)
• C. 40
• D. 32

Explanation: Perfect squares descending: 10², 9², 8², 7², 6² = 36.