
To complete the given sentence, we need to choose the correct preposition that fits within the context of the sentence. The sentence is: "A mask is used to hide the identity __ a person." Let's analyze the options:
Therefore, the correct choice is "of", making the completed sentence read: "A mask is used to hide the identity of a person."
The following data shows the number of family members living in different bungalows of a locality: 
 
| Number of Members | 0−2 | 2−4 | 4−6 | 6−8 | 8−10 | Total | 
|---|---|---|---|---|---|---|
| Number of Bungalows | 10 | p | 60 | q | 5 | 120 | 
If the median number of members is found to be 5, find the values of p and q.