Find the next number in the sequence

5 12 24 36 ?

What goes up but never comes down?

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

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What does does this rebus picture means ?

Can you replace the question mark with the correct number?

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

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?