Find a four-digit number where the first digit is one-third of the second, the third digit is the sum of the first and second, and the fourth digit is three times the second.
1349
Let digits be W, X, Y, Z. W = 1, X = 3 (since 1 is 1/3 of 3). Y = 1 + 3 = 4. Z = 3 * 3 = 9. Putting them together yields 1349.
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: Hard. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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