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Question 39

Statements: Some cats are dogs. All dogs are birds. Conclusions: I. Some cats are birds. II. All birds are dogs.

Statements: Some cats are dogs. All dogs are birds. Conclusions: I. Some cats are birds. II. All birds are dogs.
  1. AOnly I follows
  2. BOnly II follows
  3. CBoth follow
  4. DNeither follows
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Correct answer: (A) Only I follows

Explanation

The cats that are dogs are also birds → some cats are birds (I). II reverses 'all dogs are birds', which is not valid.

From DSSSB TGT Computer Science Full Mock Test 3

This is question 39 of DSSSB TGT Computer Science Full Mock Test 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.