ISSB - Pak Navy Officer Selection intelligence Syllogisms — Set 2

ISSB - Pak Navy Officer Selection intelligence Syllogisms — Set 2

1. Question 1

   Q1. All roses are red. Some red things are cars. Conclusions: I Some roses are cars. II All cars are red.

   • A) Only I
   • B) Only II
   • C) Both
   • D) Neither

   Answer: Neither

   Explanation: Roses are red but red cars need not include roses. Not all cars are red.

2. Question 2

   Q2. All cats are animals. Some animals are pets. Conclusion?

   • A) All cats are pets
   • B) Some cats may be pets
   • C) No cats are pets
   • D) All pets are cats

   Answer: Some cats may be pets

   Explanation: Some animals are pets but not necessarily all cats. Identify the relationship between the pair, then apply the same logic to the choices.

3. Question 3

   Q3. All roses are flowers. No flower is stone. Conclusion?

   • A) Some stones are roses
   • B) No rose is stone
   • C) All stones are roses
   • D) Some flowers are stones

   Answer: No rose is stone

   Explanation: Roses are flowers and no flower is stone so no rose is stone.

4. Question 4

   Q4. Some doctors are teachers. All teachers are educated. Conclusion?

   • A) All doctors are educated
   • B) Some doctors are educated
   • C) No doctor is educated
   • D) All educated are doctors

   Answer: Some doctors are educated

   Explanation: Some doctors who are teachers must be educated. Identify the relationship between the pair, then apply the same logic to the choices.

5. Question 5

   Q5. No reptile is mammal. All snakes are reptiles. Conclusion?

   • A) Some mammals are snakes
   • B) No snake is mammal
   • C) All mammals are snakes
   • D) Some snakes are mammals

   Answer: No snake is mammal

   Explanation: Snakes are reptiles and no reptile is mammal. Identify the relationship between the pair, then apply the same logic to the choices.

6. Question 6

   Q6. All squares are rectangles. All rectangles are quadrilaterals. Conclusion?

   • A) All squares are quadrilaterals
   • B) No square is quadrilateral
   • C) Some quadrilaterals are not rectangles
   • D) All quadrilaterals are squares

   Answer: All squares are quadrilaterals

   Explanation: Squares are rectangles and rectangles are quadrilaterals. Identify the relationship between the pair, then apply the same logic to the choices.

7. Question 7

   Q7. Some books are novels. All novels are fiction. Conclusion?

   • A) All books are fiction
   • B) Some books are fiction
   • C) No book is fiction
   • D) All fiction are books

   Answer: Some books are fiction

   Explanation: Some books that are novels must be fiction. Identify the relationship between the pair, then apply the same logic to the choices.

8. Question 8

   Q8. All squares are rectangles. All rectangles have four sides. Conclusion?

   • A) All squares have four sides
   • B) No rectangle has four sides
   • C) All four sided shapes are squares
   • D) Some squares are circles

   Answer: All squares have four sides

   Explanation: Squares are rectangles so they must have four sides. Identify the relationship between the pair, then apply the same logic to the choices.

9. Question 9

   Q9. Some students are athletes. All athletes are fit. Conclusion?

   • A) Some students are fit
   • B) All students are fit
   • C) No student is fit
   • D) All fit people are students

   Answer: Some students are fit

   Explanation: Some students who are athletes must be fit. Identify the relationship between the pair, then apply the same logic to the choices.

10. Question 10

    Q10. No fish is bird. All trout are fish. Conclusion?

    • A) No trout is bird
    • B) All birds are trout
    • C) Some trout are birds
    • D) All fish are birds

    Answer: No trout is bird

    Explanation: Trout are fish and no fish is bird. Identify the relationship between the pair, then apply the same logic to the choices.

11. Question 11

    Q11. All mammals breathe air. Whale is mammal. Conclusion?

    • A) Whale breathes air
    • B) Whale does not breathe air
    • C) Whale is not mammal
    • D) No mammal breathes air

    Answer: Whale breathes air

    Explanation: Whale being mammal must breathe air. Identify the relationship between the pair, then apply the same logic to the choices.

12. Question 12

    Q12. Some phones are smart. All smart devices use chips. Conclusion?

    • A) Some phones use chips
    • B) All phones use chips
    • C) No phone uses chips
    • D) All chips are phones

    Answer: Some phones use chips

    Explanation: Some phones that are smart must use chips. Identify the relationship between the pair, then apply the same logic to the choices.

13. Question 13

    Q13. No student is teacher. Some teachers are coaches. Conclusion?

    • A) Some coaches are not students
    • B) All coaches are students
    • C) No coach is teacher
    • D) All students are coaches

    Answer: Some coaches are not students

    Explanation: Some coaches who are teachers cannot be students. Identify the relationship between the pair, then apply the same logic to the choices.

14. Question 14

    Q14. All dogs are mammals. No mammal is a rock. Conclusion?

    • A) Some rocks are dogs
    • B) No dog is a rock
    • C) All rocks are dogs
    • D) Some mammals are rocks

    Answer: No dog is a rock

    Explanation: Dogs are mammals and no mammal is a rock. Identify the relationship between the pair, then apply the same logic to the choices.

15. Question 15

    Q15. Some fruits are sweet. All apples are fruits. Conclusion?

    • A) All apples are sweet
    • B) Some apples may be sweet
    • C) No apple is sweet
    • D) All sweet things are apples

    Answer: Some apples may be sweet

    Explanation: Some fruits are sweet and apples are fruits. Identify the relationship between the pair, then apply the same logic to the choices.

16. Question 16

    Q16. No fish can fly. Salmon is a fish. Conclusion?

    • A) Salmon can fly
    • B) Salmon cannot fly
    • C) Some fish are birds
    • D) All birds are fish

    Answer: Salmon cannot fly

    Explanation: Salmon is a fish and no fish can fly. Identify the relationship between the pair, then apply the same logic to the choices.

17. Question 17

    Q17. All squares are rectangles. Some rectangles are blue. Conclusion?

    • A) Some squares may be blue
    • B) All squares are blue
    • C) No square is blue
    • D) All blue things are squares

    Answer: Some squares may be blue

    Explanation: Squares are rectangles and some rectangles are blue. Identify the relationship between the pair, then apply the same logic to the choices.

18. Question 18

    Q18. Some teachers are authors. All authors read books. Conclusion?

    • A) Some teachers read books
    • B) All teachers read books
    • C) No teacher reads books
    • D) All readers are teachers

    Answer: Some teachers read books

    Explanation: Some teachers who are authors must read books. Identify the relationship between the pair, then apply the same logic to the choices.

19. Question 19

    Q19. All metals conduct electricity. Copper is a metal. Conclusion?

    • A) Copper conducts electricity
    • B) Copper does not conduct
    • C) Some metals are not copper
    • D) No metal conducts

    Answer: Copper conducts electricity

    Explanation: Copper is a metal so it must conduct electricity. Identify the relationship between the pair, then apply the same logic to the choices.

20. Question 20

    Q20. Some cars are red. All red things are visible. Conclusion?

    • A) Some cars are visible
    • B) All cars are visible
    • C) No car is visible
    • D) All visible things are cars

    Answer: Some cars are visible

    Explanation: Some red cars must be visible. Identify the relationship between the pair, then apply the same logic to the choices.