What is the riddle which can be asked all day with a different correct answer each time.

What can you deduce from the following BrainBat?

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Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What does this rebus riddle mean?

Solve the equation in the image by looking at the pattern closely.

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?