Question:medium

Fact 1: All dogs like to run
Fact 2: Some dogs like to swim
Fact 3: Some dogs look like their masters
If the first three statements are facts, which of the following statement must also be a fact?
i) All dogs who like to swim look like their masters
ii) Dogs who like to swim also like to run
iii) Dogs who like to run do not look like their masters

Show Hint

When a premise states "All X are Y", then *any* subset of X you mention automatically belongs to Y. Since all dogs run, swimming dogs (which are a subset of dogs) must run too!
Updated On: Jun 29, 2026
  • i only
  • ii only
  • ii and iii only
  • none of them is a known fact
Show Solution

The Correct Option is B

Solution and Explanation

Since all dogs like to run and Fact 3 states that some swimming dogs also like to run, it is deductively true that some dogs who swim also run, confirming the conclusion. Answer: Some dogs that like to swim also like to run
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