Can you find a five letter word that is left with only two letters if one is removed?

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 numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

The centre of the third figure is empty. What digit should fit inside?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Can you fill the blank with the correct number?

6 30 870 756030 _____

There is a place where if I stand up straight, I will still be considered sideways.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

If 21x = 79x, what is the value of x?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes