In the following question below are given two statements followed by two conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: Only couch is sofa Some bed is couch No chair is a bed. Conclusions: I. All chair is sofa. II. Some sofa is couch. III. Some couch is not bed.
In the following question below are given two statements followed by two conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: Only couch is sofa Some bed is couch No chair is a bed. Conclusions: I. All chair is sofa. II. Some sofa is couch. III. Some couch is not bed. Correct Answer Only conclusion II follows.
The least possible Venn diagram is given below:
[ alt="F1 V.B Madhu T.T.P 23.11.19 D3" src="//storage.googleapis.com/tb-img/production/19/11/F1_V.B_Madhu_T.T.P_23.11.19_D3.png" style="width: 241px; height: 113px;">
Conclusions:
I. All chair is sofa → False (no definite statement is given).
II. Some sofa is couch →True (it is a definite statement).
III. Some couch is not bed → False (no definite statement is given).
Hence, the correct answer is only conclusion II follows.