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?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Solve the counting riddle by identifying the number of triangles in the given picture.

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Can you count the chocolates in hand?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

A father's child, a mother's child, yet no one's son.

Who am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Can you find out which number multiplied by itself will give the output as 12345678987654321?