min pin colors - Pets Zone
5 mins" would be appropriate unless you are expressing it as an adjective then use the singular form, as in a five minute break or the ten minute mark. However, in scientific writing, the abbreviation for the units is always in the singular form – 5min, 5km, 5kg. It might therefore not be considered wrong to use singular forms of abbreviations with plural numbers.
Understanding the Context
What if the places are swapped, or some other combination? $$\max_B \min_A$$ Finally, can the min-max prefix appear for any sort of optimization problem, i.e. quadratic programming (convex optimization), linear programming, dynamic programming? How does it differ from "minimax"?