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Question

Two statements are given, followed by two conclusions, I and II. Consider the statements to be true even if they seem to be at variance with commonly known facts, and decide which of the given conclusions, if any, follow (s) from the given statements.

Statement 1: All bees are hornets.
Statement 2: Some bees are wasps.

Conclusion I: Some hornets are wasps.
Conclusion II: Some wasps are bees.

This question was previously asked in
RRB ALP/Technician 2018 CBT 2 Electronics Mechanic Question Paper (23-Jan-2019) (Shift 1)
The correct answer is
Both conclusions I and II follow.

Statement Analysis

We are given two statements and need to determine if the conclusions logically follow. We must assume the statements are true.

  • Statement 1: \(All bees are hornets.\) This means the entire group of 'bees' is contained within the group of 'hornets'. If something is a bee, it must also be a hornet.
  • Statement 2: \(Some bees are wasps.\) This means there is at least one bee that is also a wasp. There's an overlap between the 'bees' group and the 'wasps' group.

Conclusion Validation

Let's evaluate each conclusion based on the statements:

Conclusion I: Some hornets are wasps.

  • From Statement 1, we know that every bee is also a hornet.
  • From Statement 2, we know that there exist some individuals that are both bees and wasps.
  • Since these individuals are bees, they must also be hornets (due to Statement 1).
  • Therefore, these individuals are both hornets and wasps.
  • Thus, Conclusion I logically follows.

Conclusion II: Some wasps are bees.

  • Statement 2 explicitly states, \(Some bees are wasps\).
  • This statement is symmetrical, meaning it is logically equivalent to saying \(Some wasps are bees\).
  • Therefore, Conclusion II logically follows directly from Statement 2.

Final Verdict

Since both Conclusion I and Conclusion II logically follow from the given statements, the correct option is that both conclusions follow.

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Similar Questions

  1. Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
    Statements:
    All water is milk.
    No milk is oil.
    Conclusions:
    (I) Some milk is water.
    (II) No oil is water.
  2. Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
    Statements:
    Some vegetables are fruits.
    Some fruits are sweets.
    Conclusions:
    (I) Some fruits are vegetables.
    (II) Some sweets are vegetables.
  3. Two statements are given, followed by three conclusions, I, II and III. Consider the statements to be true even if they seem to be at variance with commonly known facts, and decide which of the given conclusions, if any, follow (s) from the given statements.

    Statement 1: No boats are ships.
    Statement 2: All ship are steamers.

    Conclusion I: Some boats are steamers.
    Conclusion II: No ships are boats.
    Conclusion III: Some steamers are ships.
  4. Given below are two statements, followed by three conclusions, I, II and III. You have to consider the statements to be true even if they seems to be at variance with commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.

    Statement 1 : All polymers are plastic.
    Statement 2 : No rubber is plastic.

    Conclusion I : Some polymers are rubber.
    Conclusion II : Some plastics are polymer.
    Conclusion III : No polymer is rubber.
  5. Given below are two statements, followed by two conclusions, I and II. You have to consider the statements to be true even if they seems to be at variance with commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.

    Statement 1 : All minutes are seconds.
    Statement 2 : No seconds are hours.

    Conclusion I : No hours are seconds.
    Conclusion II : Some minutes are hours.
  6. Two statements are given, followed by three conclusions, I, II and III. Consider the statements to be true even if they seem to be at variance with commonly known facts, and decide which of the given conclusions, if any, follow (s) from the given statements.
    Statement 1: No boats are ships.
    Statement 2: All ship are steamers.
    Conclusion I: Some boats are steamers.
    Conclusion II: No ships are boats.
    Conclusion III: Some steamers are ships.
  7. Two statements are given, followed by two conclusions, I and II. Consider the statements to be true even if they seem to be at variance with commonly known facts, and decide which of the given conclusions, if any, follow (s) from the given statements.
    Statement 1: All bees are hornets.
    Statement 2: Some bees are wasps.
    Conclusion I: Some hornets are wasps.
    Conclusion II: Some wasps are bees.
  8. Consider the given statement as true and decide which of the given conclusions can definitely be drawn from the given statements:

    Statement:

    All rivers are holy. All gods are holy.

    Conclusion:

    1. All rivers are gods.

    2. All gods are rivers.

  9. In this question, two statements are given, followed by three conclusions labelled I, II and III. You have to consider the statements to be true even if they seem to be at variance with commonly known facts, and decide which of the given conclusions, if any, follow(s) from the given statements.

    Statements:

    All mansions are palaces.

    No castles are palaces.

    Conclusions:

    I: Some palaces are mansions.

    II: Some castles are mansions.

    II: No mansions are castles.
  10. Take the given statements to be true and decide which of the conclusions logically follows from the given statements.

    Statement: Some ponds are lakes. Some lakes are rivers. Some rivers are seas
    Conclusions:
    1. Some seas are lakes
    2. No sea is a lake

Important Questions from Syllogism

  1. Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
    Statements:
    All water is milk.
    No milk is oil.
    Conclusions:
    (I) Some milk is water.
    (II) No oil is water.
  2. Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
    Statements:
    Some vegetables are fruits.
    Some fruits are sweets.
    Conclusions:
    (I) Some fruits are vegetables.
    (II) Some sweets are vegetables.
  3. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
    Statements:
    All sparrows are owls.
    No sparrow is a parrot.
    Conclusions:
    (I): No owl is a parrot.
    (II): No parrot is a sparrow.
  4. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
     

    Statements:
    All forests are hills.
    Some hills are deserts.
     

    Conclusions:
    (I): All hills are forests.
    (II): Some deserts are hills.

  5. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
     

    Statements:
    All bottles are ludo.
    All ludo are dancer.
     

    Conclusions:
    (I): Some dancers are ludo.
    (II): All bottles are dancers.

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