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Three statements Some A-B, All B-C, All C-D: which conclusions follow

This type of question, asked 6 times: 24 Jul 2023 S3, 25 Jul 2023 S2, 27 Jul 2023 S2, 10 Sep 2024 S2, 18 Sep 2024 S1, 19 Sep 2024 S3. All 6 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    24 Jul 2023 S3

    14
    Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some boats are ships. All ships are yachts. All yachts are barges. Conclusions: I. Some barges are ships. II. Some barges are boats. III. Some yachts are boats.

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  2. Question 2

    25 Jul 2023 S2

    11
    Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some teachers are scientists. All scientists are doctors. All doctors are engineers. Conclusions: I. Some doctors are teachers. II. Some engineers are teachers. III. Some doctors are scientists.

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  3. Question 3

    27 Jul 2023 S2

    6
    Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some teachers are scientists. All scientists are doctors. All doctors are engineers. Conclusions: I. Some doctors are teachers. II. Some engineers are teachers. III. Some doctors are scientists.

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  4. Question 4

    10 Sep 2024 S2

    17
    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: Some bags are purses. All purses are wallets. All wallets are sacks. Conclusions: (I) All purses are sacks. (II) Some wallets are bags.

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  5. Question 5

    18 Sep 2024 S1

    16
    Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some pineapples are oranges. All oranges are bananas. All bananas are plums. Conclusions: I. Some pineapples are plums. II. All oranges are plums. III. No pineapple is a banana.

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  6. Question 6

    19 Sep 2024 S3

    19
    In this question, three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusion(s) logically follows/follow from the statements. Statements: Some shirts are pants. All pants are jackets. All jackets are trousers. Conclusions: I. Some trousers are shirts. II. All jackets are shirts.

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