What do you call a fish without an eye?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Rearrange the letters in "new door" to make one word.

Who can jump higher than a Mountain?

A bomb exploded in a room full of married couples and no one died. How?

Find the next number in the sequence

5 12 24 36 ?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

Count the squares in the matchstick puzzle below?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?