Question 19
What is the least number of whole numbers that must be selected from $\{1,2,3,\ldots,32,33\}$ to ensure that one selected number is divisible by another selected number?
Select distinct numbers without replacement; “another” means a different selected number. The guarantee must hold for every possible selection of that size.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.
Select distinct numbers without replacement; “another” means a different selected number. The guarantee must hold for every possible selection of that size.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.