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 four weights can be used to balance from 1 to 30 pounds?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What is red and smells like blue paint?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

How can a man go eight days without sleep?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

It is always ahead of me yet I can never see it. What is it?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?