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?

What is at the end of a rainbow?

Do you know who was buried in John's tomb?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Jim has three close friends at his school: Michael, John and Alice. Two of them play football, two play basketball and two play hockey. The friend who does not play hockey does not play basketball as well. The friend who does not play football does not play hockey.

Can you identify which sport/s is played by which person?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Next Number in the Series,

5, 16, 49, 104, ?