There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

My location can be determined by the below rebus.
So where am i ?

Count the number of balls in picture below:

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

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