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 work can one never finish?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you place six X (crosses) in below board without making three in a row in any way ?

Move four matchsticks to the below square to form three squares?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Move three sticks of the spiral below to form a square.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?