A pair of standard six-sided dice are rolled. The product of the two numbers is 12, and the sum of the two numbers is an odd number. What are the two rolled numbers?
3 and 4
Pairs of numbers on standard dice that multiply to 12 are (2, 6) and (3, 4). The sum of 2 + 6 is 8 (even). The sum of 3 + 4 is 7 (odd). Thus, the numbers rolled are 3 and 4.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
More logic riddles
You have 9 coins that look identical, but one is counterfeit and weighs slightly less than the rest. Using a balance scale, what is the minimum number of weighings needed to guarantee finding the fake coin?
What is unique about the number 8,549,176,320?
Three runners—A, B, and C—cross a bridge together at the pace of the slowest runner, taking exactly 12 minutes. Runner B is twice as fast as Runner C, and Runner A is twice as fast as Runner B. How long would it take Runner A to cross the bridge alone?
I have four sides of equal length, but no right angles. My opposite acute angles equal each other, as do my opposite obtuse angles. What shape am I?
Consider the following sequence of numbers: 2, 4, 8, 16, 32, ... What is the next number in the pattern?
Three guards stand before a fortress gate. One always tells the truth, one always lies, and one alternates between truth and lies. You can ask one yes/no question to each guard in any order. What is the minimum number of guards you must question to guarantee identifying the liar?