BrainTeaser Imagine you have 9 cakes and 4 large paper bags How can put an odd number of into each bag without cutting any the or tearing bags?

1. Put 5 cakes into the first bag.

2. Put 2 cakes into the second bag.

3. Put 1 cake into the third bag.

4. Put the remaining cake into the fourth bag.

Now each of the four bags has an odd number of cakes