Who has a crown but is no king Proclaimed his vows but has no ring Tends a garden; rarely eats Often sings but seldom speaks

Take the following set of ten dominoes: 0-1, 0-2, 0-3, 0-4, 1-2, 1-3, 1-4, 2-3, 2-4, 3-4 Arrange the dominoes With Rules : NO two connected tiles have a number in common. 2 dominoes have been placed there as guide. There are 2 different solution. Solve This.

(This is also called an Easter egg, hope it's not offtopic here)

Fit the most pieces on a chess board. You are only allowed to place Rooks, Knights and Bishops. The number of each piece may not be more than one higher than the numbers of pieces of the other two. Every piece has to be attacked by exactly one other piece. I don't know what the answer to this...

I’m hosting game night at my regular bar, and I’m gong to stage a murder mystery. Each of the suspect will make 4 statements, one of which is known to be a lie. I tried to construct it as soundly as I could, using a grid to check each person’s lies and truths. I based it roughly on this other pu...

"A client of mine," said a lawyer, "was on the point of death when his wife was about to present him with a child. I drew up his will, in which he settled two-thirds of his estate upon his son (if it should happen to be a boy) and one-third on the mother. But if the child should be a girl, then t...

0,4 ; 2,4 ; 2,0 ; 0,0 ; 0,1 3,0 ; 3,4 ; 5,4 ; 5,0 ; 3,0 8,0 ; 6,0 ; 6,4 ; 8,4 6,2 ; 8,2 9,4 ; 9,2 ; 11,2 ; 11,0 ; 9,0 11,4 ; 11,2 The above is the first name of a famous tv character. What is it (the first name)? Hints will be provided later.

Is it possible to find a formula of $a_n$ with only $n$ for this sequence/series? $1 , 24 , 69 , 136 , 225 , 1236 , 2449 , 3864 , 5481 , 7300 , 9321 , 11544 , 13969 , 16596 , 19425 , 22456 ...$ I have another way to show each number how it's made, so if it is impossible I can show what every n...

First timer, hope it won't be too easy. I can walk on the floor, I can walk on the wall Under trees, on top of hills slowly I do crawl Back and forth, back and forth, I stalk the streets at night If I fall I make no sound, but sometimes quite a fright Who am I?