There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

What goes up but never comes down?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

I look at you, you look at me I raise my right, you raise your left. What am I?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

The answer I give is yes, but what I mean is no. What was the question?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

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

What does it mean?