Comprehension Passage
Directions: Read the information given below and answer the question that follows.
Information about the number of boys and the ratio of boys and girls from school P, Q, R, S, T is given below:
| Name of the school | Number of boys | Ratio of boys and girls |
| P | 111 | 3 : 2 |
| Q | 125 | 5 : 4 |
| R | 102 | 2 : 3 |
| S | 140 | 7 : 8 |
| T | 150 | 3 : 2 |
What is the difference between total number of students from school R and total number of students from school Q?
1
50
2
20
3
40
4
10
5
30