Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?