If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What Does this text mean:

important=important

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

Explain?

Can it be possible to build a house that has all its four walls facing towards the South?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

I look at you, you look at me, I raise my right, you raise your left. What am I?