Assume the statements are true.
Statements: Some pipes are tubes. No tube is a hose.
Conclusions:
I. Some pipes are hoses.
II. Some pipes are not hoses.

Only I followsCorrect answerYour answerOnly II followsCorrect answerYour answerNeither I nor II followsCorrect answerYour answerBoth I and II followCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer B

Correct answer: B

The pipes that are tubes cannot be hoses, so some pipes are not hoses: II follows.
Pipes that are not tubes may or may not be hoses, so I is not definite.
Only II follows.

Worth noting

'Some … are' and 'Some … are not' are not opposites; both can be true together. So they are never an either-or pair.

Concept: Some / Some-not is not an either-or pair
Typical timeTypical: 70 s
Your timeYours: —

The rule this testsPossibility and either-or

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Ten questions from Syllogisms, at your own pace.

Assume the statements are true.Statements: Some pipes are tubes. No tube is a hose.Conclusions:I. Some pipes are hoses.II. Some pipes are not hoses.

Explanation

Assume the statements are true.
Statements: Some pipes are tubes. No tube is a hose.
Conclusions:
I. Some pipes are hoses.
II. Some pipes are not hoses.