Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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.

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

How can you take 2 from 5 and leave 4?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Find the next number in the sequence

5 12 24 36 ?

If 1+9+8=1, what is 2+8+9?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What does the below rebus riddle means?