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

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

I add 5 to 9 and get 2. The answer is correct, so what am I?

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?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Can you start the fire using two pieces of wood?