thnik again!

If conversion is your kind of game click here.

By the way, I didn’t do too well in the example shown above. Can you guess the answer?

If you look at a clock and the time is 3:15, what is the angle between the hour and the minute hands?

Problem source: 140 Google Interview Questions.

Reality is that which, when you stop believing in it, doesn’t go away. – Philip K. Dick

You are shrunk to the height of a nickel and your mass is proportionally reduced so as to maintain your original density. You are then thrown into an empty glass blender. The blades will start moving in 60 seconds. What do you do?

Problem source: 140 Google Interview Questions.

Today’s scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. – Nikola Tesla

Every man in a village of 100 married couples has cheated on his wife. Every wife in the village instantly knows when a man other than her husband has cheated, but does not know when her own husband has. The village has a law that does not allow for adultery. Any wife who can prove that her husband is unfaithful must kill him that very day. The women of the village would never disobey this law. One day, the queen of the village visits and announces that at least one husband has been unfaithful. What happens?

Problem source: 140 Google Interview Questions.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as poetry. – Bertrand Russell

You have five pirates, ranked from 5 to 1 in descending order. The top pirate has the right to propose how 100 gold coins should be divided among them. But the others get to vote on his plan, and if fewer than half agree with him, he gets killed. How should he allocate the gold in order to maximize his share but live to enjoy it?

Problem source: 140 Google Interview Questions.

If you’re in a war, instead of throwing a hand grenade at the enemy, throw one of those small pumpkins. Maybe it’ll make everyone think how stupid war is, and while they are thinking, you can throw a real grenade at them. – Jack Handey

This page claims it has a list of 140 interview questions used by Google.

Not everyone agrees:

These interview questions are largely urban myth. I never heard 90% of these asked, and brain teasers have been banned for like 5 years at the company.

And:

You are not allowed to ask frivolous brainteaser crap about manhole covers (there are actually two shapes which won’t fall back into the hole, in case you were curious) or why 0xDEADBEEF is 3735928559 in decimal. You don’t ask that nonsense because the questions are crap and tell you absolutely nothing about the candidate.

You’re supposed to ask open-ended questions that test problem solving and general knowledge, then get into specifics. Once answered, you pick a topic in the answer and you dive in deeper. The goal to to find out where the candidates run out of ideas. Typically you want to test general knowledge, and find an area that you two can really dig deep into.

The questions may not be used at Google, but they may still require you to think again, so here goes:

You are at a party with a friend and 10 people are present including you and the friend. your friend makes you a wager that for every person you find that has the same birthday as you, you get $1; for every person he finds that does not have the same birthday as you, he gets $2. would you accept the wager?