Express as rupees using decimals :
(i) 7 paise      
(ii) 7 rupees 7 paise      
(iii) 77 rupees 77 paise
(iv) 50 paise  
(v) 235 paise.

Explanation

To express the given amounts in rupees using decimals, we will follow the conversion that 1 rupee is equal to 100 paise. Therefore, 1 paise is equal to 1/100 rupees. We will apply this conversion to each part of the question.

### Step-by-Step Solution:

**(i) 7 paise:**
1. Convert 7 paise to rupees:
\[
7 \text{ paise} = \frac{7}{100} \text{ rupees}
...