Question
Statement: Atleast some goa are Shimla. A
few Shimla are Nainital. Only a few Delhi are Shimla.      All Shimla are Agra.  Conclusion:  All Nainital being Delhi is a possibility. Few Delhi may not be Agra. All Delhi are Agra is a possibility. Some Goa may be Delhi. In each of the question below are given some statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.ÂSolution
Some Delhi are Shimla (I) + Some Shimla are Nainital (I) → Probable conclusion → All Nainital may be Delhi (A). Hence conclusion I follows. Some Delhi are Shimla (I) + All Shimla are Agra (A) → Some Delhi are Agra (I) → Probable conclusion → Some Delhi may not be Agra (O) and All Delhi may be Agra (A). Hence both conclusion II and III follows. Some Goa are Shimla (I) + Some Shimla are Delhi (I) → Probable conclusion → Some Goa may be Delhi (I). Hence conclusion IV follows. Alternate Method - 
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