RRB NTPC · Question 66
Read the statement and choose one conclusion from the given alternatives: Statements: Some dark are black. Some black are grey. All gray are red. All red are babies. Conclusions: I. Some red are black. |II. Some babies are black. III. Some babies are grey. IV. Some red are dark. A. Only I and II follow. B. III or IV follows. C. I, II and III follow. D. Only I, II and III or IV follow.
Show answer & explanation
Answer: (B) C
Explanation
Some black are grey and all grey are red, so some red are black (I). All red are babies, so some babies are black (II) and some babies are grey (III). Nothing connects dark with red for certain, so IV does not follow. I, II and III follow.