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

I have Rs.50 and I spend it in the way as below.

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

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?

Which is the smallest number that you can write using all the vowels exactly once?

Which English verb becomes past tense just by rearranging the letters?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Before Mount Everest was discovered, what was the highest mountain in the world?