A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Why Wine Glass Stem is so long?

Below rebus represent famous DiCaprio movie. Can you name it?

Can you place three balls such that the equation shown in the picture holds true?

What is the word or phrase below?
R | E | A | D

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What has many keys but can’t open a single lock?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?