Answer-Statements: Some doors are rods. Some rods are curtains. ...

Some rods are curtainsI All curtains are longA Some rods are longI All long are windowsA Some rods are windowsI Conversion Some windows are rodsI. Hence conclusion I follows. Some doors are rodsI Some rods are curtainsI No conclusion. Hence conclusion II does not follow. Some rods are curtainsI All curtains are longA Some rods are longI Conversion Some long are rodsI. Hence conclusion III follows. All curtains are longI All long are windowsA All curtains are windowsA Conversion Some windows are curtainsI. Hence conclusion IV follows.

Question

Statements: Some doors are rods.

Some rods are curtains. All curtains are long. All long are windows. Conclusion: I. Some windows are rods. II. Some windows are doors. III. Some long are rods. IV. Some windows are curtains. In each question below are given some statements followed by four conclusions numbered I, II, III and IV are given. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

A Only I, II and III follow

B Only I, III and IV follow.

C Only II, III and IV follow.

D All follow

E None of the above

Practice Next