Question

there are 2 trees and some birds are sitting on both trees. birds sitting on 1st tree asks birds on 2nd tree that if one of you joins us then we will be double than you. The birds on 2nd tree asks the birds on 1st tree that if one of you joins us then we both will be equal in number. Now what is the number of birds on both the trees?

Answer 1

The solution is 7 and 5.

7 on tree A, and 5 on tree B