who is silent in the parliament?

Considering the below equation:

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

Then, I + II + III = ?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Can you identify the famous TV character from the rebus below?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What does this rebus means ?

PROG WORKRESS