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?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Can you decipher the below rebus?

PBLUESAISNUERSES

What time is it when an elephant sits on a fence?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

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

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Forwards I am heavy, backward I am not. What am I?