Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Give it food and it will live; give it water and it will die.

When 99 is considered higher than 100?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

The answer I give is yes, but what I mean is no. What was the question?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?