Is an agreement between two people that one of them will pay the other (food or money) if he doesn't memorize two pages of the Holy Quran by the end of the week considered gambling, and what is the ruling on feeding someone else who is not one of the competitors?

The majority of scholars hold the view that competitive contests (musabaqa) for a prize are permissible only in horse racing, camel racing, and archery. The Hanafis disagreed with them, permitting contests in Islamic sciences. If the prize money in a contest is stipulated from one side only, it is permissible. However, if it is stipulated from both sides, it is forbidden because it constitutes gambling (qimar). It is permissible for the prize giver to be someone other than the competitors, or for one of the competitors to be designated as the giver. The scenario where the loser is the one who pays the prize is considered gambling and is forbidden. However, if the two competitors agree that the loser will pay something to a third person who is not a competitor, this is permissible because it does not fall under the category of gambling.