Using three identical single-digit numbers in an addition expression, how can you form a sum equal to 60 without using the number 20?
55 + 5
The three identical digits are 5. Combining two into 55 and adding the third 5 yields 55 + 5 = 60.
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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