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Syllogisms · Question 13 of 68

Question 13

MediumOriginal question

Assume the statements are true.

Statements: Some ladders are ropes. No rope is a bucket.

Conclusions:

I. Some ladders are not buckets.

II. No ladder is a bucket.

Options for question 13

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Look at the ladders that are ropes. No rope is a bucket, so these ladders are not buckets. Some ladders are not buckets: I follows.

  2. The other ladders, the ones that are not ropes, are free to be buckets. So 'No ladder is a bucket' is possible but not certain; II does not follow.

  3. Only I follows.

Worth noting

Some + No gives 'Some … are not', never a full 'No'. The statements only control the ladders that are ropes.

Concept
Some + No gives Some … not
Typical time
70 s
Your time
—
The rule this testsTwo statements
Practise this chapter →

Ten questions from Syllogisms, at your own pace.

Practise this chapter →

Ten questions from Syllogisms, at your own pace.