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Statements:

• Some birds are goats.
• Some goats are horses.
• Some horses are lions.
• Some lions are tigers.

Conclusions:

1. Some tigers are goats.
2. No tiger is goat.
3. Some lions are birds.
4. No lion is bird.

1. Only either I or II follows
2. Only either III or IV follows
3. Only either I or II and either III or IV follow
4. Only I and III follow
5. None of these

None ...??
Once please check option 3 (only either 1 or 2 and either 3 or 4) I think option 3 is correct
ohh yes , you are correct. .. didn't see. "only either 1 or 2 and either 3 or 4" -

Thanks. ")
If 3 is an answer then 1 and 2 are also answers. Best answer here would be None of these though all options are TRUE because the question is about which conclusion is TRUE not about which option is TRUE.
Sir, All conclusion are false, but if we see "either 1 or 2",  where both are complement of each other then option 3 becomes true.

same with either 3 or 4.

option 3 is correct here.

either i or ii . and either iii or iv only

option 1 is not correct as it will cover i and ii conclusions and option 2 is not correct as it will cover iii and iv conclusions
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