Thursday, February 4, 2010

Daily Brain Teaser #75

Jake gave Grace some marbles. He gave her less than 30 marbles.

When Grace put them in groups of 2, she has 1 marble left over.

When she puts them in groups of 5, she also has one left over.

When she puts them in groups of 3, no marbles are left over.

How many marbles did Jake give Grace?

________ marbles

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