RRB NTPC CBT 2 Level 6 Exam 9 May 2022 Shift 1

 Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All camels are donkeys.
Some cats are camels.
All dolphins are cats.
Conclusions:
I. All dolphins are donkeys.
II. Some dolphins are donkeys.
III. Some donkeys are cats.
IV. All cats are donkeys.