How is the moon similar to a dollar?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

Prove that the below maths equation is true.

8 + 8 = 91

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

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

AB * C = DE - F = GH / I

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?