ISSB - PAF Officer Selection intelligence Syllogisms — Set 3

ISSB - PAF Officer Selection intelligence Syllogisms — Set 3

1. Question 1

   Q1. No student is absent. Ali is a student. Conclusion?

   • A) Ali is absent
   • B) Ali is not absent
   • C) Some students are absent
   • D) Ali is not a student

   Answer: Ali is not absent

   Explanation: Ali is a student and no student is absent. Identify the relationship between the pair, then apply the same logic to the choices.

2. Question 2

   Q2. All pencils are tools. Some tools are sharp. Conclusion?

   • A) Some pencils may be sharp
   • B) All pencils are sharp
   • C) No pencil is sharp
   • D) All sharp things are pencils

   Answer: Some pencils may be sharp

   Explanation: Pencils are tools and some tools are sharp. Identify the relationship between the pair, then apply the same logic to the choices.

3. Question 3

   Q3. Some birds can swim. Penguins are birds. Conclusion?

   • A) Penguins may swim
   • B) No bird swims
   • C) All birds swim
   • D) Penguins are not birds

   Answer: Penguins may swim

   Explanation: Some birds swim and penguins are birds. Identify the relationship between the pair, then apply the same logic to the choices.

4. Question 4

   Q4. All roses are flowers. Some flowers fade quickly. Conclusion?

   • A) Some roses may fade quickly
   • B) All roses fade quickly
   • C) No rose is a flower
   • D) All flowers are roses

   Answer: Some roses may fade quickly

   Explanation: Some flowers fade and roses are flowers. Some roses may fade quickly is correct because it matches what the question requires. Spot the relationship or pattern quickly under ISSB time limits.

5. Question 5

   Q5. Some books are novels. All novels have chapters. Conclusion?

   • A) Some books have chapters
   • B) All books have chapters
   • C) No book has chapters
   • D) All chapters are books

   Answer: Some books have chapters

   Explanation: Some books that are novels must have chapters. Spot the relationship or pattern quickly under ISSB time limits.

6. Question 6

   Q6. All birds have feathers. Sparrow is a bird. Conclusion?

   • A) Sparrow has feathers
   • B) Sparrow has no feathers
   • C) Some birds lack feathers
   • D) All feathers are birds

   Answer: Sparrow has feathers

   Explanation: Sparrow is a bird and all birds have feathers. Spot the relationship or pattern quickly under ISSB time limits.

7. Question 7

   Q7. Some athletes are swimmers. All swimmers train daily. Conclusion?

   • A) Some athletes train daily
   • B) All athletes train daily
   • C) No athlete trains daily
   • D) All trainers are athletes

   Answer: Some athletes train daily

   Explanation: Some athletes who swim must train daily. Some athletes train daily is correct because it matches what the question requires. Spot the relationship or pattern quickly under ISSB time limits.

8. Question 8

   Q8. Some cats are pets. All pets need care. Conclusion?

   • A) Some cats need care
   • B) All cats need care
   • C) No cat needs care
   • D) All care is for cats

   Answer: Some cats need care

   Explanation: Some cats that are pets must need care. Spot the relationship or pattern quickly under ISSB time limits.

9. Question 9

   Q9. All squares are quadrilaterals. Some quadrilaterals are large. Conclusion?

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

   Answer: Some squares may be large

   Explanation: Squares are quadrilaterals and some quadrilaterals are large. Spot the relationship or pattern quickly under ISSB time limits.

10. Question 10

    Q10. Some doctors are surgeons. All surgeons operate. Conclusion?

    • A) Some doctors operate
    • B) All doctors operate
    • C) No doctor operates
    • D) All operators are doctors

    Answer: Some doctors operate

    Explanation: Some doctors who are surgeons must operate. Some doctors operate is correct because it matches what the question requires. Spot the relationship or pattern quickly under ISSB time limits.

11. Question 11

    Q11. All whales are mammals. Blue whale is a whale. Conclusion?

    • A) Blue whale is a mammal
    • B) Blue whale is not a mammal
    • C) Some whales are fish
    • D) All mammals are whales

    Answer: Blue whale is a mammal

    Explanation: Blue whale is a whale and all whales are mammals. Spot the relationship or pattern quickly under ISSB time limits.

12. Question 12

    Q12. Some poets are writers. All writers read books. Conclusion?

    • A) Some poets read books
    • B) All poets read books
    • C) No poet reads books
    • D) All books are poets

    Answer: Some poets read books

    Explanation: Some poets who are writers must read books. Spot the relationship or pattern quickly under ISSB time limits.

13. Question 13

    Q13. Some nurses are women. All women are humans. Conclusion?

    • A) Some nurses are humans
    • B) All nurses are women
    • C) No nurse is human
    • D) All humans are nurses

    Answer: Some nurses are humans

    Explanation: Some nurses who are women must be humans. Spot the relationship or pattern quickly under ISSB time limits.

14. Question 14

    Q14. All mammals are warm blooded. Whale is a mammal. Conclusion?

    • A) Whale is warm blooded
    • B) Whale is cold blooded
    • C) Some mammals are fish
    • D) All fish are mammals

    Answer: Whale is warm blooded

    Explanation: Whale is a mammal and all mammals are warm blooded. Identify the relationship between the pair, then apply the same logic to the choices.

15. Question 15

    Q15. Some teachers are coaches. All coaches train students. Conclusion?

    • A) Some teachers train students
    • B) All teachers train students
    • C) No teacher trains students
    • D) All trainers are teachers

    Answer: Some teachers train students

    Explanation: Some teachers who are coaches must train students. Identify the relationship between the pair, then apply the same logic to the choices.

16. Question 16

    Q16. All reptiles are cold blooded. Snake is a reptile. Conclusion?

    • A) Snake is cold blooded
    • B) Snake is warm blooded
    • C) Some reptiles are mammals
    • D) All mammals are reptiles

    Answer: Snake is cold blooded

    Explanation: Snake is a reptile and all reptiles are cold blooded. Identify the relationship between the pair, then apply the same logic to the choices.

17. Question 17

    Q17. Some lawyers are judges. All judges wear robes. Conclusion?

    • A) Some lawyers wear robes
    • B) All lawyers wear robes
    • C) No lawyer wears robes
    • D) All robes are lawyers

    Answer: Some lawyers wear robes

    Explanation: Some lawyers who are judges must wear robes. Identify the relationship between the pair, then apply the same logic to the choices.

18. Question 18

    Q18. Some fruits are citrus. All citrus contain vitamin C. Conclusion?

    • A) Some fruits contain vitamin C
    • B) All fruits contain vitamin C
    • C) No fruit contains vitamin C
    • D) All vitamin C is fruit

    Answer: Some fruits contain vitamin C

    Explanation: Some fruits that are citrus must contain vitamin C. Identify the relationship between the pair, then apply the same logic to the choices.

19. Question 19

    Q19. Some soldiers are officers. All officers salute. Conclusion?

    • A) Some soldiers salute
    • B) All soldiers salute
    • C) No soldier salutes
    • D) All salutes are soldiers

    Answer: Some soldiers salute

    Explanation: Some soldiers who are officers must salute. Identify the relationship between the pair, then apply the same logic to the choices.

20. Question 20

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

    • A) Some roses are visible
    • B) All roses are visible
    • C) No rose is visible
    • D) All visible things are roses

    Answer: Some roses are visible

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