Combinations

From how many elements can we create 990 combinations, 2nd class, without repeating?

Your answer:



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Would you like to compute the count of combinations?
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:

combinatoricsalgebraGrade of the word problem

Related math problems and questions: