What English word has three consecutive double letters?

Can you place six X (crosses) in below board without making three in a row in any way ?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

What is more useful when it is broken?

I have an eye but still cannot see.

Who am I?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

There is a place where if I stand up straight, I will still be considered sideways.

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?