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A person looks into the bag of a bird hunter. And tells the hunter:

There are all sparrows but six; there are all pigeons but six; and there are all ducks but six.

Now help the hunter and tell how many birds are there in the bag?

 Apr 9, 2020
 #1
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If there are only 3 types of birds, that means that the sum of two types of birds equals 6. Which means there are 3 birds of each type. 3 * 3= 9 birds.

 Apr 9, 2020

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