If you say my name, I will no longer exist. What am I?

Can you find out the remainder when 3^300 is divided by 5?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

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

What does this rebus means ?

If an electric train is travelling south, then which way is the smoke going?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

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

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

When is the top of a mountain similar to a savings account?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?