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 ?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Find out the missing number in the picture attached:

Can you replace the question mark with the correct number in the below table sequence?

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

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What has many keys but can’t open a single lock?

What is the end of everything?