You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What is the relationship between these matchstick pictures below?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

What kind of band never plays music?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

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

What does this simple rebus mean?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?