Mohan tells students that there is water body which has extremely salty water, density of salt present in that water body is approximately 300 grams per litre. Another specific feature of this water body is that nobody can drown in it. Mohan is referring to which of the water body?

Options

A. Black sea
B. Red sea
C. Salty sea
D. Dead sea

Answer

To solve the question about which water body Mohan is referring to, we can follow these steps:

### Step 1: Identify the Characteristics of the Water Body
Mohan describes a water body with:
- Extremely salty water
- A salt density of approximately 300 grams per litre
- A feature that nobody can drown in it

### Step 2: Analyze the Salt Density
A salt density of 300 grams per litre is extremely high. For comparison, seawater typically has a salt concentration of about 35 grams per litre. This indicates that the water body in question is much saltier than normal seawater.

### Step 3: Consider the Implications of High Salinity
High salinity increases the density of water, which allows people to float easily. This is a key feature of the water body being described, as it is mentioned that nobody can drown in it.

### Step 4: Identify Possible Candidates
The options provided are:
- Black Sea
- Red Sea
- Salty Sea
- Dead Sea

### Step 5: Evaluate Each Option
- **Black Sea**: While it is a large body of water, it does not have the extreme salinity described.
- **Red Sea**: It is salty but not to the extent of 300 grams per litre.
- **Salty Sea**: This is a generic term and does not refer to a specific location.
- **Dead Sea**: Known for its high salinity (approximately 300 grams per litre) and the fact that people can float easily, making drowning very unlikely.

### Step 6: Conclusion
Based on the analysis, the water body Mohan is referring to is the **Dead Sea**.

### Final Answer
Mohan is referring to the **Dead Sea**.

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