Last Problem:
Find the odd one out from the following set of numbers:
5,6,11,22,42,88,176
Answer:
42
Explanation: The digit subsequent to the first digit (if one exists) is either equal to or greater than the first digit. In the case of the number 42, the second digit is less than the first digit. The number 42 is thus the odd number in the set.
Today’s Problem:
Formulate an equation that will equal 31 using the number three five times.