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?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

I know a nine-letter word having only one vowel.
Do you ?

How is a fly different from a mosquito?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?