General Intelligence & Reasoning — Practice MCQs (DSSSB Section A)
30 original questions. Choose the best option.
1. Find the odd one out: 3, 5, 7, 9, 11
- A) 3
- B) 5
- C) 9
- D) 11
2. Complete the series: 2, 6, 12, 20, 30, ?
- A) 40
- B) 42
- C) 44
- D) 36
3. If A=1, B=2, … and CAT = 24, DOG = 26, then BAT = ?
- A) 23
- B) 24
- C) 25
- D) 26
4. A is brother of B. B is sister of C. C is brother of D. How is A related to D?
- A) Sister
- B) Brother
- C) Father
- D) Mother
5. Facing north, Ramesh turns 90° right, then 180° left. He now faces:
- A) North
- B) South
- C) East
- D) West
6. Book : Reading :: Fork : ?
- A) Drawing
- B) Writing
- C) Eating
- D) Walking
7. If ROSE → 6821 and CHAIR → 73456 (letter codes), SEARCH → ?
- A) 214673
- B) 217463
- C) 214763
- D) 241763
8. Statements: All pens are books. Some books are desks.
Conclusions: I. Some pens are desks. II. All books are pens.
- A) Only I
- B) Only II
- C) Both
- D) Neither
9. Series: A, C, F, J, O, ?
- A) S
- B) T
- C) U
- D) V
10. If 5 ★ 4 = 18 and 7 ★ 3 = 18, then 6 ★ 5 = ?
- A) 22
- B) 24
- C) 28
- D) 30
11. In a row of 40 students, Ravi is 11th from the left. Position from the right is:
- A) 29
- B) 30
- C) 31
- D) 28
12. Which does not belong to the group?
- A) Circle
- B) Triangle
- C) Square
- D) Cube
13. If + means ×, × means −, − means ÷ and ÷ means +, then value of 8 + 2 − 4 × 2 ÷ 2 is:
- A) 2
- B) 4
- C) 6
- D) 8
14. Pointing to a man, a woman says, “His mother is the only daughter of my mother.” The man is her:
- A) Brother
- B) Son
- C) Uncle
- D) Father
15. Series: 5, 10, 20, 40, 80, ?
- A) 120
- B) 160
- C) 100
- D) 90
16. Dictionary order of: Apple, Apply, Appetite, Aptitude
- A) Apple, Appetite, Apply, Aptitude
- B) Apple, Apply, Appetite, Aptitude
- C) Appetite, Apple, Apply, Aptitude
- D) Apple, Appetite, Aptitude, Apply
17. Missing number: 4, 9, 16, 25, 36, ?
- A) 45
- B) 49
- C) 64
- D) 42
18. Five friends A, B, C, D, E sit in a row facing north. A left of B; C right of B; D left of A; E right of C. Who sits in the middle?
- A) A
- B) B
- C) C
- D) D
19. If PAPER position-sum style gives PEN = 16+5+14, then PEN = ?
- A) 35
- B) 30
- C) 40
- D) 45
20. If the day before yesterday was Thursday, what day is tomorrow?
- A) Sunday
- B) Monday
- C) Saturday
- D) Friday
21. Doctor : Hospital :: Teacher : ?
- A) Office
- B) School
- C) Court
- D) Clinic
22. How many times does the digit pattern “1 9 9” (9 preceded by 1 and followed by 9) occur in 1992919991929?
- A) 1
- B) 2
- C) 3
- D) 4
23. Statements: Some A are B. All B are C.
Conclusions: I. Some A are C. II. All A are C.
- A) Only I
- B) Only II
- C) Both
- D) Neither
24. Find the wrong term: 2, 6, 12, 20, 30, 43, 56
- A) 20
- B) 30
- C) 43
- D) 56
25. If 1 January is Friday in a non-leap year, 1 March is:
- A) Friday
- B) Saturday
- C) Sunday
- D) Monday
26. Best Venn representation: Women, Mothers, Engineers
- A) Three disjoint circles
- B) Mothers inside Women; Engineers intersecting both
- C) Engineers only inside Mothers
- D) Women inside Engineers
27. Analogy: Square : Perimeter :: Circle : ?
- A) Diameter
- B) Circumference
- C) Radius
- D) Area
28. Introducing a girl, Rajesh said, “She is the daughter of the only sister of my father.” The girl is Rajesh’s:
- A) Sister
- B) Cousin
- C) Niece
- D) Daughter
29. If in a certain code MANGO is written as NBOHP, then APPLE is written as:
- A) BQQMF
- B) BQQNF
- C) AQQLF
- D) BPPMF
30. Which conclusion follows? Statement: All teachers are graduates. Some graduates are players.
- A) All players are teachers
- B) Some teachers are players (must)
- C) Some graduates are teachers
- D) No graduate is a teacher
Answer Key
- C — 9 is composite; others are prime.
- B — Add 4, 6, 8, 10, 12 → next 42.
- A — B+A+T = 2+1+20 = 23.
- B — A is a brother of D.
- D — North → East → then 180° left → West.
- C — Fork is used for eating.
- A — S=2,E=1,A=4,R=6,C=7,H=3 → 214673.
- D — Neither conclusion is certain.
- C — Gaps +2,+3,+4,+5,+6 → U.
- A — Pattern a+b+(a−1): 5+4+9=18, 7+3+8=18, 6+5+11=22.
- B — 40 − 11 + 1 = 30.
- D — Cube is 3D; others are 2D.
- B — Becomes 8×2÷4−2+2 = 4.
- B — Only daughter of her mother is herself → man is son.
- B — Each term ×2 → 160.
- A — Apple → Appetite → Apply → Aptitude.
- B — Squares: 7² = 49.
- B — Order D–A–B–C–E; middle is B.
- A — 16+5+14 = 35.
- A — Today Saturday → tomorrow Sunday.
- B — Teacher ↔ school.
- B — Two occurrences of 1-9-9 pattern.
- A — Some A are C follows; all A are C does not.
- C — Differences +4,+6,+8,+10,+12,+14; 30+12=42 not 43.
- D — Jan 31 + Feb 28 = 59 days → +3 → Monday.
- B — Mothers ⊂ women; engineers may be either.
- B — Circumference is the circle’s perimeter.
- B — Father’s only sister’s daughter = cousin.
- A — Each letter +1 → BQQMF.
- C — All teachers are graduates ⇒ some graduates are teachers.