If you say my name, I will no longer exist. What am I?

Identify the hidden meaning behind this picture?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

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?

By using 'because' continuously three times, can you make an English statement ?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What is the difference between a jeweller and a jailer?