What is so fragile that saying its name breaks it?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

I have teeth but i don't bite. Who Am I ?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How is the moon similar to a dollar?