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Home Logical Reasoning Statement and Conclusion Comments

  • Question
  • Some hills are rivers. Some rivers are desrets. All desrets are roads. Conclusions: 1. Some roads are rivers 2. Some roads are hills 3. Some deserts are hills


  • Options
  • A. None follows
  • B. Only 1 follows
  • C. Only 1 and 2 follows
  • D. All follow

  • Correct Answer
  • Only 1 follows 

    Explanation

    Some hills are  rivers. Some rivers are deserts.

    Since both the premises are particular, no defenite conclusion follows.

     

    Some rivers are deserts. All deserts are roads

    Since one premise is particular,the conclusion must be particular and should'nt contain the middle term. Since it follows that 'Some rivers are roads'. 1 is the converse of this conclusion and so it holds.


  • Statement and Conclusion problems


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    • 1. Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys. Conclusions: 1. All mountains are either hillocks or rivers or valleys 2. No valley is river 3. Some river are valleys

    • Options
    • A. None follows
    • B. Only 1 follows
    • C. Only 2 and 3 follow
    • D. Only 3 follows
    • Discuss
    • 2. Some blades are hammers. Some hammers are knives. Some knives are axes. Conclusions: 1. Some axes are hammers 2. Some knives are blades 3. Some axes are blades

    • Options
    • A. None follows
    • B. Only 1 follows
    • C. Only 2 follows
    • D. Only 3 follows
    • Discuss
    • 3. All snakes are trees. Some trees are roads. All roads are mountains. Conclusions: 1. Some mountains are snakes 2. Some roads are snakes 3. Some mountains are trees

    • Options
    • A. Only 1 follows
    • B. Only 2 follows
    • C. Only 3 follows
    • D. Both 1 and 2 follow
    • Discuss
    • 4. Some boys are men. No man is black Conclusions: 1. Some boys are not black 2. Some men are boys

    • Options
    • A. Only 1 follows
    • B. Only 2 follows
    • C. Either 1 or 2 follows
    • D. Neither 1 nor 2 follows
    • Discuss
    • 5. Artists are generally whimsical. Some of them are frustrated. Frustrated people are prone to be drug addicts. Based on these statements which of the following conclusions is true?

    • Options
    • A. All frustrated people are drug addicts
    • B. Frustrated people are whimsical
    • C. All drug addicts are artists
    • D. Some artists may be drug addicts
    • Discuss
    • 6. Some tapes are discs. Some discs are cassettes. Some cassettes are songs Conclusions: 1. Some songs are discs 2. Some cassettes are tapes 3. Some songs are tapes 4. No song is a disc

    • Options
    • A. Only either 1 or 4 follows
    • B. Only either 2 or 4 follows
    • C. Only 3 and 4 follow
    • D. Only 3 and either 2 or 4 follows
    • Discuss
    • 7. Some blankets are beds. Some pillows are blankets. All beds are pillows Conclusions: 1. Some blankets are pillows 2. Some pillows are beds 3. Some beds are blankets

    • Options
    • A. Only either 1 or 2 follows
    • B. Only 1 and either 2 or 3 follows
    • C. Only 3 and either 1 or 2 follows
    • D. All 1 ,2 and 3 follow
    • Discuss
    • 8. Find which of the two conclusions I and II given below is/are definitely true from the the given statements. Statements: I > W > T > N, I = F = G = C Conclusions: I. W > I II. C > N

    • Options
    • A. Only Conclusion I is true
    • B. Only Conclusion II is true
    • C. Both conclusions I & II are true
    • D. Neither conclusion I nor II is true
    • Discuss
    • 9. Question : In a cricket team, the average age of eleven players in 28 years. What is the age of the captain? Statements : a. The captain is eleven years older than the youngest player. b. The average age of 10 players, other than the captain is 27.3 years. c. Leaving aside the captain and the youngest player, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively.

    • Options
    • A. All a,b and c follows
    • B. Only a and c follows
    • C. Either b alone or a & b follows
    • D. None
    • Discuss
    • 10. Statements : All kids are God. No God is a Human. Some Human are Son. All Son are Men. Conclusions : (a) Some Son are not God. (b) Some Men are Human.

    • Options
    • A. Only A follows
    • B. Only B follows
    • C. Both (A) and (B) follows
    • D. Neither (A) nor (B) follows
    • Discuss


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