ArcaMax

The freezing point of pure water is 32 degrees Fahrenheit (0 degrees Celsius). However, by simply adding a common household ingredient, you then can easily cool the water 20 degrees past the freezing point, and still keep it in liquid form.

How is this possible?

A man wanted to encrypt his password but he needed to do it in a way so that he could remember it. His password is 7 characters long. The password consists of letters and numbers only (no symbols like ! or <). In order to remember it he wrote down "You force heaven to be empty" Can you guess what his password is?

Start with a 6-letter word. Replace one letter to find the next word. No word is repeated in the trip until we are back to where we started. Clues are given along the way.

1. block and tackle
2.
3. recycled glass
4.
5. decorative moulding
6.
7. online purchase software
8.
9. paid a visit
10.
11. hauled
12 (we are back !)

Take the list of words below and arrange them into 3 sentences that all have something in common. Each word is only used once each time they appear in the list. ('A' can be used 4 times as it's in the list 4 times.) Punctuation is not an issue in this teaser.

A, A, A, A, ANIMALS, BAR, BAT, DAN, DROOP, I, I, IN, IN, IS, IT, NET, OR, POOR, SAW, SLAM, TEN, WAS

What are the sentences and what do they have in common?

Six words have had their weather terms removed. The weather terms have been placed into Group A. The remaining letters of each word have been placed into Group B. Your task is to reconstitute the words by merging each weather term with the proper set of letters. Other than merging the two groups together, there is no rearranging of the letters. Example: sand + pne = spanned (SpANneD).

Group A: cloud, hail, rain, sleet, storm, wind
Group B: arngg, astba, atage, bevora, diabmn, higa

What kind of poem am I?

(12 + 144 + 20 + (3 x (4^.5)))/7 + 5 x 11 = (9 ^2) + 0

Parker was hiding under a table. He was frightened, and knew that his brothers were probably already dead. He heard a couple of blasts, then Parker knew he was okay. What happened?

Both of my parents have brown eyes, as do I. My brother and my wife have blue eyes. Using the simple brown-blue model (two genes; a brown gene dominates blue gene), what are the chances of my first child having blue eyes?

Henry and Gretchen plan on sitting outside to look for shooting stars. They know from experience that if they watch for an hour, they will have a 90% chance of seeing a shooting star. It is a chilly night, though, so Gretchen says, "Let's only stay out for 10 minutes."

Henry says, "I was really hoping to see a shooting star tonight. If we are only out for 10 minutes, we will only have a 15% chance."

Gretchen replies, "Not true. We have a better chance than that."

Is Gretchen right? If so, what is the probability that they see a shooting star?

Elliot the detective heard the news of a double murder that occured on a train. The driver and the conductor were on the opposite sides of the train, but both were shot at the same time, reported a policeman who was at the center of the train at the time. The policeman had heard both gunshots at the same time. The train was travelling 150 kilometers per hour. Elliot immediately realized that the driver and the conductor were not killed at the same time. How is it so?

You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.

Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?

The five phrases below can be reworded into oxymorons. Can you figure out what they are?

Example: Initial facsimile = original copy

1) discovered lost
2) bigger part
3) sugary sour
4) sad humor
5) solitary in company

Suppose I flip two coins, without letting you see the outcome, and I tell you that at least one of the coins came up heads, what is the probability that the other coin is also heads?

I'm amazing 'cause I've got the force
To hold down a cow or a horse
As you've doubtlessly found,
I am always around,
And I'm constantly working, of course.

What am I?