You want to send a valuable object to a friend. You have a box which is more than large enough to contain the object. You have several locks with keys. The box has a locking ring which is more than large enough to have a lock attached. But your friend does not have the key to any lock that you have. How do you do it? Note that you cannot send a key in an unlocked box, since it might be copied.

Answer: Attach a lock to the ring. Send it to her. She attaches her own lock and sends it back. You remove your lock and send it back to her. She removes her lock.

Solution:

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Attach a lock to the ring. Send it to her. She attaches her own lock and sends it back. You remove your lock and send it back to her. She removes her lock.

Why is the largest city in Ireland likely to be the largest city in the world?

Answer: Because it is every year doubling (Dublin).

Solution:

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Because it is every year doubling (Dublin).

The Titanic is still here. What am I?

Answer: Atlantic

Solution:

How do you go from 98 to 720 using just one letter?

Answer: Add an “x” between “ninety” and “eight”. Ninety x Eight = 720

Solution:

How do you go from 98 to 720 using just one letter?

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Answer:  Add an “x” between “ninety” and “eight”. Ninety x Eight = 720

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 Solve : If there are 3 Apples and You Take Away 2 of them. How Many Do You Have?

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Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it’s gone.

Answer: silence

Solution:

What 7 letter word is spelled the same way backwards and forwards?

Answer: Racecar.

Solution:

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Racecar.