There are forty elephants and they have forty-fore heads. How can this be possible?

If six children and two dogs were under an umbrella, how come none of them got wet?

What is more useful when it is broken?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

What number when divided in half becomes zero?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

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?

What is black when you buy it, red when you use it, and gray when you throw it away?