One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Find the hidden tiger in the given optical illusion ?

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

What always comes into a house through the keyhole?

Why Wine Glass Stem is so long?

What can go up a chimney down, but can’t go down a chimney up?

Can you solve this picture maths equation?