Two mothers and two daughters went shopping and each spent exactly $20, yet they spent only $60 in total. How is this possible?
There were only three people: a grandmother, a mother, and a daughter.
The mother is both a daughter to the grandmother and a mother to the child, spanning three generations.
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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