In the question below, there are two conclusions

Solution

Option 'A': I. All Brick can never be Wall: This definitely doesn't follow as there is no negative statement between Brick and Wall. II. Some Wall is not Weak: This definitely doesn't follow as some Wall is definitely Weak. Option 'B': I. All Brick can never be Wall: This definitely follows as no Wall is Brick. II. Some Wall is not Weak: This definitely doesn't follow as all Weak is Wall but it doesn't imply some Wall is not Weak. Option 'C': I. All Brick can never be Wall: This definitely follows as all Weak is Brick, all Rock is Weak and only a few Rock is Wall, so, the part of Brick which is Rock is not Wall. II. Some Wall is not Weak: This definitely doesn't follow as there is no negative statement between Wall and Weak, so, it could or couldn't be a possibility. Option 'D': I. All Brick can never be Wall: This definitely follows as some Brick that are Weak can never be Wall. II. Some Wall is not Weak: This definitely follows as no Weak is Wall.