| Direction: Each question consists of two conclusions followed by five groups of statements. Consider the given conclusions to be true even if they seem to be at variance with commonly known facts. Read the conclusions and then decide from which group of the statements the conclusions can be drawn. |
| Conclusions: I Some windows are not tables. |
| II. All chairs can never be wardrobes. |
A)
Statements: No chair is a table. No table is a wardrobe. All wardrobes are windows.
B)
Statements: All chairs are tables. No table is a wardrobe. All wardrobes are windows.
C)
Statements: All chairs are wardrobes. All wardrobes are windows. No window is a table.
D)
Statements: All tables are windows. Some windows are wardrobes. No wardrobe is a chair.
E)
Statements: All windows are chairs. No chair is a table. All tables are wardrobes.
Correct Answer: B
Solution :
Check options one by one. (A) No table is a wardrobe (E) + All wardrobes are windows (A) = E +A = O* = Some windows are not tables. Hence conclusion I follows. But, No chair is a table (E) + No table is a wardrobe (E) = E + E == No conclusion. Hence II does not follow. (B) All chairs are tables (E) + No table is a wardrobe (E) = A + E = E = No chair is a wardrobe (E). Hence conclusion II follows. Again, No table is a wardrobe (E) + All wardrobes are windows (A) = E + A = O*= Some windows are not tables (O*). Hence conclusion I also follows. Thus, 2) is a valid option. (C) From statement I conclusion II does not follow. (D) From first statement conclusion I does not follow. (E) All windows are chairs (A) + No chair is a table (E) = A + E = E = No window is a table (E) \[\to \] implication \[\to \] Some windows are not tables. Hence conclusion I follows. But, No chair is a table (E) + All tables an wardrobes (A) = E + A = O* = Some wardrobes are not chairs. Hence conclusion II does not follow.
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