It does not float on water.

Options

A. Ball
B. Stone
C. Saree
D. Feather.

Explanation

To solve the question "It does not float on water," we need to identify which object among the given options does not float. Here's a step-by-step breakdown of the solution:

### Step 1: Understand the Concept of Density
- Objects that have a density greater than water (1 g/cm³) will sink when placed in water.
- Objects that have a density less than water will float.

### Step 2: Analyze the Given Options
1. **Ball**:
- The density of the ball is less than water.
- Conclusion: The ball will float.

2. **Stone**:
- The density of the stone is greater than water.
- Conclusion: The stone will sink.

3. **Sari**:
- The density of the sari is less than water.
- Conclusion: The sari will float.

4. **Feather**:
- The density of the feather is less than water.
- Conclusion: The feather will float.

### Step 3: Identify the Object that Does Not Float
- From the analysis, the only object that does not float is the **stone**.

### Final Answer
- The object that does not float on water is the **stone**.

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