Solve any two sub questions from the following :
A hostel is to be built for school going girls. Two toilets are to be built for every 8 girls. If 72 girls will be living in the hostel, how many toilets will be required if this proportion is to be maintained ?

Explanation

To solve the problem, we need to determine how many toilets are required for 72 girls while maintaining the proportion of 2 toilets for every 8 girls.

### Step-by-Step Solution:

1. **Understand the Ratio**:
We know that for every 8 girls, there are 2 toilets. This gives us a ratio of girls to toilets as 8:2.

2. **Set Up the Proportion**:
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