A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

I can be cracked, made, told, and played. What am I?

What work can one never finish?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?