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Option 2 : Conclusions I and III are logical.
The least possible Venn diagram using given statements is,
[ alt="F1 S.Y Deepak 18.10.2019 D 6" src="//storage.googleapis.com/tb-img/production/19/10/F1_S.Y_Deepak_18.10.2019_D%206.png" style="width: 137px; height: 138px;">
Conclusion 1: “Some locks are houses” → true (This is definitely true)
Conclusion 2:”All locks are houses” → false (This is possible but not definite)
Conclusion 3: “Some shoes are houses” → true (This is definitely true)
Conclusion 4:”No shoes are houses” → false (This is definitely false)
Hence, only conclusion 1 and conclusion 3 follow.
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