A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Which country gets ill every time?

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

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Can you fill the blank with the correct number?

6 30 870 756030 _____

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

How many times can you subtract the number 5 from 25?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

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

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?