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?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Buy me, smell me or deliver me, I do not change.

Who am I?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Can you write down eight eights so that they add up to one thousand?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?