Box, Locks, 'n' Keys

You have a friend living in a police state. The police open everything they can, inspect and read it, and then deliver it. They deny they do this. You want to send your friend something in a box that the police won't see.

Both you and your friend have your own sturdy boxes, pad locks, and keys. Neither of you has keys to the other's locks. If you send your friend a box with no pad lock, and he sends it back with one of his locks, you won't be able to open it because you won't have the key. If you send him an unlocked box with your pad lock and matching key inside, the police will copy the key before delivering it.

How can you send him something in a box so that the police can't get to it without it being obvious that they broke into the box?

I heard this puzzle this morning on an NPR show, Car Talk.

What Word Was Where?

What occurs twice in a lifetime, but once in every year.
Twice in a week but never in a day?

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Using the letter grid below, how many words can you find. Each word must contain the central H and no letter can be used twice, however, the letters do not have to be connected. Proper nouns are not allowed, however, plurals are. There is at least one nine letter word. Advanced: 50+ words. Average: 25 words. All words can be found in the Oxford Wordpower dictionary.

Here are couple to start you off: ache, heart ...

R	C	O
E	H	S
R	T	A

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Mr and Mrs Haines have three daughters and each daughter has two brothers. How many children do Mr and Mrs Haines have?

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Don't cheat! Because if you did, the test would be no fun. I promise, there are no tricks to the test. Read the sentence below and count the F's in that sentence. Count them ONLY ONCE. Do not go back and count them again. See solutions for your score.

FINISHED FILES ARE THE RE-
SULT OF YEARS OF SCIENTIF-
IC STUDY COMBINED WITH
THE EXPERIENCE OF YEARS.

all questions were taken from here w/ solutions