John is the son of Jacob.
So,
Jacob is the_____of John's father?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What's a single-digit number with no value?

What number divided by 4 is the same as that number minus 4?

What jumps when it walks and sits when it stands?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Find the next number in the series below

21 32 54 87 131 ?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?