Correct Answer: D
Explanation:
The facts in this situation are summarized in the following table:
|
L |
M |
N |
O |
P |
| Urdu |
✔ |
✔ |
✔ |
|
|
| Sindhi |
✔ |
|
|
✔ |
|
| Punjabi |
|
✔ |
|
|
✔ |
| Sariki |
|
|
✔ |
✔ |
✔ |
The questions may now be answered with reference to the table above
D) Dweller L can use Urdu and Sindhi while Dweller P can use Punjabi and Saraiki when they wish to confer. Dweller M speak Urdu and Punjabi and hence, can act as an interpreter. Dweller N can speak Urdu and Saraiki and can, therefore, act as an interpreter. Dweller O can also act as interpreter since he speaks Sindhi and Saraiki.