What does below Rebus say?

XLR8

What four weights can be used to balance from 1 to 30 pounds?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you decipher the two rows to find the hidden word?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

What can go through glass without breaking it?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

Different lights make me strange by changing me into different sizes. What am I?