What is so fragile that saying its name breaks it?

What word is pronounced the same if you take away four of its five letters?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

What do you see in the given picture?

You need to remove two matchsticks to make the below equation true. Can you do it ?

why number 8549176320 is one of a kind?