What is the fastest way to double your money?

Why is Saturday stronger than Monday?

What is both possible and impossible at the same time?

If two's company, and three's a crowd, then whats four and five ?

Can you name an animal whose killing cannot be performed without spilling your own blood?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

how come the second man dies?

Prove that the below maths equation is true.

8 + 8 = 91

What can jump higher than a building?