In which direction should the missing arrow point?

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?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Using Only Five 5's and any mathematical operator make sum as 37

Can you find out which options fits best with the missing column?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.