Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What type of tree can I carry in my hand?

Name a key which is hardest to turn.

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.

The more you take me, the more you leave me behind.
Who Am I?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

You knock a Table over in the library, and suddenly 20 eyes are looking at you.