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How many birds in each tree?

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There are 2 trees at the exotic bird show (Tree "A" and "B")
and on both trees are some exotic birds.
The birds of tree A say to the birds of tree B,
that if one of you comes to our tree, then our population will be double yours.
Then the birds of tree B tell to the birds of tree A
that if one of you comes here, then our population will be equal to that of yours..

How many birds in each tree?

posted Feb 27, 2015 by Harshita Dhaliwal

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2 Answers

+1 vote

A has 7 and B has 5

answer Feb 27, 2015 by Navin
0 votes

A)11111=5 B)1111111=7
A)11111-1=4 B)1+1111111=8 , hence 4,8 i.e 8=2*4

A)11111+1=6 B)1111111-1=6 ... 6=6

answer Oct 24, 2015 by Gary Crush



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