There are some famous riddles that we all know. Let us revisit a few:

1) You can touch it. You can feel it. Goes up in the air. Yet it is nothing (Smoke)
2) This 7 people come to your home every week (days)
3) This 1440 dollars are given by god everyday to everyone. (time in minutes everyday)
4) If you have this, usually, the food will taste great (Hunger)