**Statements:**

- All circles are a triangle.
- Some triangle is rectangle.
- All rectangles are square.

**Conclusions:**

I. Some triangles are not rectangle.

II. No square is a circle.

Question

**Statements:**

- All circles are a triangle.
- Some triangle is rectangle.
- All rectangles are square.

**Conclusions:**

I. Some triangles are not rectangle.

II. No square is a circle.

Accepted Answer

**Solution:**

1. From the statements:
   - All circles are triangles.
   - Some triangles are rectangles.
   - All rectangles are squares.

2. Analyze Conclusion I: "Some triangles are not rectangle."
   - Since some triangles are rectangles, it is possible that some triangles are not rectangles, but this is not certain from the given statements. The statements do not explicitly confirm or deny this.

3. Analyze Conclusion II: "No square is a circle."
   - Since all rectangles are squares and some triangles are rectangles, and all circles are triangles, circles could be rectangles and hence squares. Therefore, we cannot say no square is a circle.

4. Hence, neither conclusion I nor conclusion II logically follows with certainty from the given statements.

**Answer:** (d) Neither conclusion I nor II follows.

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