Puzzle: Birds in branches

birds on branches

There were some birds sitting on two branches of a tree.

One of the birds of Branch A says to the birds on the Branch B “one of u comes here and we will be equal.”

In reply Branch B bird Say “one of u come here and we would be double compare to u.”

Now say how many birds were their on branch A and branch B

 SOLUTION

 From first sentence, we get A+1 = B-1 which gives B=A+2

From Second Sentence, we get 2(A-1) = B+1 which gives B = 2A-3

Comparing, we get A as 5 and B as 7.

Branch A = 5 birds

Branch B = 7 birds

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