What does this mathematical rebus means ?

How could a baby fall out of a twenty-story building onto the ground and live?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

What has 88 keys?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

Can you count the number of triangles in the given figure?

What runs around the whole yard without moving?