If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does a man do only once in his lifetime, but women do once a year after they are 29?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Which English verb becomes past tense just by rearranging the letters?

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

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What does an Island and the letter T have in common?