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

Which country gets ill every time?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

How is a fly different from a mosquito?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What does this simple rebus mean?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

When can we add 2 to 11 and get 1 as the correct answer?