If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

What is the difference between a jeweller and a jailer?

Can you solve the photo plexer logic ?

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

Can you spot the hidden girl in the picture below?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?