A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

What breaks yet never falls, and what falls yet never breaks?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What is the next number in this series?

4,12,84,3612....