What is the riddle which can be asked all day with a different correct answer each time.

Which city is three-fifths chick two third cat and 50% goat?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

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 ?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

How many triangles are there in the picture below?

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