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

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

I can be cracked, made, told, and played. What am I?

Count the number of balls in picture below:

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

What Adam and Eve do not have but the rest of the people have?