problem - WordReference. com Dictionary of English any question or matter involving doubt or difficulty: has financial and emotional problems a statement requiring a solution, usually by means of mathematical operations: simple problems in addition unruly: a problem child
List of unsolved problems in mathematics - Wikipedia Various mathematicians and organizations have published and promoted lists of unsolved mathematical problems In some cases, the lists have been associated with prizes for the discoverers of solutions
PROBLEM Definition Meaning | Dictionary. com A problem is a question or puzzle that is intended to be solved or to be deeply thought about Real-life examples: Your teacher may present a problem to the class so you can use what you’ve learned to solve it