What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

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 ?

How many times can you subtract the number two from the number fifty?

Which Burger Is Different in below image?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

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

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10