What is the most efficient way to sort a million integers?
How many golf
balls can fit in a school bus?
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?
How much should you charge to wash all the
windows in Seattle?
How would you find out if a machine’s stack grows up
or down in memory?
Explain a database in three sentences to your
eight-year-old nephew.in 2 minutes, the third in 5 minutes, and the slow poke takes 10 minutes to
cross. How do the campers make it across in 17 minutes?
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?
How many
piano tuners are there in the entire world?
You have eight balls all of
the same size. 7 of them weigh the same, and one of them weighs slightly more.
How can you find the ball that is heavier by using a balance and only two
weighings?
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? (Hint: One pirate ends up with 98 percent of the
gold.)
You are given 2 eggs. You have access to a 100-story building.
Eggs can be very hard or very fragile means it may break if dropped from the
first floor or may not even break if dropped from 100th floor. Both eggs are
identical. You need to figure out the highest floor of a 100-story building an
egg can be dropped without breaking. The question is how many drops you need to
make. You are allowed to break 2 eggs in the process.
Why are manhole
covers round?
How many times a day does a clock’s hands
overlap?
You have to get from point A to point B. You don’t know if you
can get there. What would you do?
Imagine you have a closet full of
shirts. It’s very hard to find a shirt. So what can you do to organize your
shirts for easy retrieval?
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?
In a country in which people only want boys, every family
continues to have children until they have a boy. If they have a girl, they have
another child. If they have a boy, they stop. What is the proportion of boys to
girls in the country?
If the probability of observing a car in 30 minutes
on a highway is 0.95, what is the probability of observing a car in 10 minutes
(assuming constant default probability)?
If you look at a clock and the
time is 3:15, what is the angle between the hour and the minute hands? (The
answer to this is not zero!)
Four people need to cross a rickety rope
bridge to get back to their camp at night. Unfortunately, they only have one
flashlight and it only has enough light left for seventeen minutes. The bridge
is too dangerous to cross without a flashlight, and it's only strong enough to
support two people at any given time. Each of the campers walks at a different
speed. One can cross the bridge in 1 minute, another
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