What number do you get when you multiply all of the numbers on a telephone's number pad?

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?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Count the number of squares in the picture below.

Out of four images which one is the odd one out?

I have feet, but no legs. Which animal Am I?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

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?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?