Zoe gets 9 swimmers on Monday and 4 swimmers on Tuesday, then gives away 3. How many swimmers are left?
10 swimmers.
9 + 4 - 3 = 10.
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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