There are four hostels: A, B, C, and D. Hostel A has 120 boys and the number of girls is 30% more than the number of girls in hostel B. In hostel B, t...
Question
There are four hostels: A, B, C, and D.
- Hostel A has 120 boys and the number of girls is 30% more than the number of girls in hostel B.
- In hostel B, the number of boys is double the number of girls.
- Hostel C has 100 more boys than hostel A, and the total number of boys and girls in hostel C is 1000.
- Hostel D has 182 more boys than hostel A. The average number of girls in hostels A and D is 223. The number of boys in hostel D is 98 less than the number of boys in hostel B.
Question: If 20 boys leave from each hostel, what is the average number of boys remaining in all the hostels?