1. Find the missing term: 3, 9, 27, ?, 243
A. 54
B. 72
C. 81
D. 108
Answer: C (81)
Explanation: Each term is multiplied by 3 → 3×3=9, 9×3=27, 27×3=81, 81×3=243.
2. If “GARDEN” is coded as “HBSEFO”, how is “PLANT” coded?
A. QMBOV
B. QMCNU
C. QNBOU
D. QMBOU
Answer: A (QMBOV)
Explanation: Each letter shifted by +1. P→Q, L→M, A→B, N→O, T→U.
3. If the first two statements are true, what is the conclusion?
All birds can fly. Ostrich is a bird.
A. Ostrich can fly
B. Ostrich cannot fly
C. All animals can fly
D. Cannot be determined
Answer: A
Explanation: Logically, if all birds can fly and ostrich is a bird, then ostrich can fly (even though factually false).
4. Which is a valid course of action?
Statement: “There is a rise in air pollution.”
A. Ban vehicles immediately
B. Promote public transport
C. Stop industries
D. Ignore the problem
Answer: B
Explanation: Promoting public transport is a practical and reasonable action.
5. Find the odd one out:
A. Mercury
B. Venus
C. Earth
D. Pluto
Answer: D
Explanation: Mercury, Venus, and Earth are planets; Pluto is a dwarf planet.
6. Which statement is implicit?
“Please wear seatbelts while driving.”
A. Seatbelts are uncomfortable
B. Seatbelts ensure safety
C. Driving is dangerous
D. Seatbelts are compulsory by law
Answer: B
Explanation: The request assumes seatbelts provide safety while driving.
7. Ramesh walks 10 m east, 5 m south, 10 m west. How far is he from starting point?
A. 5 m
B. 10 m
C. 15 m
D. 20 m
Answer: A (5 m)
Explanation: East 10 → West 10 cancels. Left position = 5 m south. Distance = 5 m.
8. Statement: “If you work hard, you will succeed.”
Which inference follows?
A. Hard work always ensures success
B. Without hard work, no success
C. Success is independent of hard work
D. Hard work is one way to succeed
Answer: D
Explanation: The statement only suggests hard work → success. Other ways may also exist.
9. If 8 men can build a wall in 12 days, how many days will 6 men take?
A. 14
B. 15
C. 16
D. 18
Answer: C (16)
Explanation: Work = men × days = 8×12=96 man-days. For 6 men: 96 ÷ 6 = 16 days.
10. Arrange logically:
-
Buying raw materials
-
Selling the product
-
Manufacturing the product
-
Marketing
A. 1-3-4-2
B. 1-2-3-4
C. 3-1-2-4
D. 1-3-2-4
Answer: A
Explanation: Order = raw materials → manufacture → marketing → selling.