$begingroup$ For (a), An easy way to take a look at is that you've got diminished your likelihood Place to just the mixtures that have no less than 1 boy: There could be Various other tips that may be pretty particular to you as a singular entity, like- in case https://girlpgingurgaonsector14.blogspot.com/2025/07/find-ideal-boys-pg-in-gurgaon-sector-15.html