Why is the Hole below a Lock?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

What time is it when an elephant sits on a fence?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Can you Find and name the hidden bird in the picture below ?

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 Deficiency does the below rebus represent?

VIT_MIN

When 99 is considered higher than 100?