Comprehension Passage
Directions: Answer the questions based on the information given below.
The pie chart given below shows the percentage distribution/number of train tickets sold by five ticket counters (P, Q, R, S, and T). Some of the data is given while some of it is missing.
The table given below shows the discount offered on booking a ticket for five different types of train seats (in Rs.)
| Seat type | Discount offered on booking a single seat (in Rs.) |
|---|---|
| First class | 150 Rs. |
| AC chair class | 50 Rs. |
| Sleeper class | 25 Rs. |
| Second class | 20 Rs. |
| General class | 5 Rs. |
Note: Total number of train tickets sold by counter 'P' and counter 'R' is (x + y) and (3x - y) respectively.
Find the difference between the central angles corresponding to the number of train tickets sold by counter 'Q' to that by counter 'R'?
1
12°
2
15°
3
18°
4
21°
5
24°