Question

In the questions below are given two statements followed by two Conclusions I and II. You have to take the two given statements to be true even if they #seem to be at variance from commonly known facts and decide which of the given conclusion(s) logically follow(s) from the two given statements, disregarding commonly known facts.

Statements 

1. All windows are doors.
2. All entrances are windows.
3. No gate is a door.

Conclusions

1. At least some windows are gates.
2. No gate is an entrance.

Options

• if only Conclusion I follows

• if only Conclusion II follows

• if neither I nor II follows

• if Conclusions I and II follow

Answer 1

if only Conclusion II follows
Explanation:

Conclusions

1. At least some windows are gates. (χ)
2. No gate is an entrance. (✓)

Hence, conclusion II follows.