Solve this riddle by finding the odd one out from the rest.

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

How could a baby fall out of a twenty-story building onto the ground and live?

What does an Island and the letter T have in common?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

How do you go from 98 to 720 using just one letter?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?