Answer:
How many months of the year have 28 days?
What has holes on each side, but can still can hold water?
What is at the end of a rainbow?
Not my sister nor my brother but still the child of my mother and father. Who am I?
What is it that you ought to keep after you have given it to someone else?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?