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

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Take one out and scratch my head, I am now black but once was red. What am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

What number should come in place of the question mark below?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

Can it be possible to build a house that has all its four walls facing towards the South?