I have two sisters. Each of my sisters has two brothers. How many children are in total in our family?
4
Since all the children are in the same family, 'each of my sisters has two brothers' means there are two boys in the family. The presence of 'sisters' means there must be at least two girls. Two boys plus two girls equals four children total.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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