Can you start the fire using two pieces of wood?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

What does this rebus mean?

O
N
C
E
TIME

What do you answer even though it never asks you questions?

Name a key which is hardest to turn.

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?

My location can be determined by the below rebus.
So where am i ?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?