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.

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

How many triangles can you find in this given picture?

Find the missing value of "?" in the letter sequence below.

CAD
EBG
KBM
OCR
DDH
NL?

John was piloting a plane behind a car but was never able to overtake it. Why?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Why Wine Glass Stem is so long?

What seven-letter word has hundreds of letters in it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

how come the second man dies?