using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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 a certain country ½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What goes up but never comes down?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

Different lights make me strange by changing me into different sizes. What am I?

I taste better than I can smell. Who am I?