Find the last number in the series below:

voN luJ yaM raM ---

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What is the fastest way to double your money?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Do You See It?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

I look at you, you look at me, I raise my right, you raise your left. What am I?

Prove that twice of ten is the same as twice of eleven.

What has one letter and starts with an E?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?