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 from the statements. Statements: 1. All books are magazines 2. Some books are novels. Conclusions: I. Some magazines are books II. No magazine is a book III. No novel is a magazine IV. Some novels are books.
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 from the statements. Statements: 1. All books are magazines 2. Some books are novels. Conclusions: I. Some magazines are books II. No magazine is a book III. No novel is a magazine IV. Some novels are books. Correct Answer Only conclusions I and IV follow
Drawing the Venn diagram,
[ alt="F1 Z.K 28.4.20 Pallavi D7" src="//storage.googleapis.com/tb-img/production/20/05/F1_Z.K_28.4.20_Pallavi_D7.png" style="width: 237px; height: 64px;">
Conclusion 1: Some magazines are books → True (This is definitely true)
[ alt="F1 Z.K 28.4.20 Pallavi D8" src="//storage.googleapis.com/tb-img/production/20/05/F1_Z.K_28.4.20_Pallavi_D8.png" style="width: 133px; height: 82px;">
Conclusion 2: No magazine is a book → False (This is definitely false)
Conclusion 3: No novel is a magazine → False (This is definitely false)
Conclusion 4: Some novels are books → True (This is definitely true)
[ alt="F1 Z.K 28.4.20 Pallavi D9" src="//storage.googleapis.com/tb-img/production/20/05/F1_Z.K_28.4.20_Pallavi_D9.png" style="width: 136px; height: 40px;">
Hence, “only conclusion 1 and 4” follow.