What is so fragile that saying its name breaks it?

How is the moon similar to a dollar?

In the given picture, in how many ways can you read the word "Tiger"?

How can you tell a raw egg from a hard-boiled egg?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

What is the end of everything?

Why is 6 afraid of 7?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?