#1 - September Riddle

man gave one son 10 cents and another son was given 15 cents. What time is it?

1:45.

The man gave away a total of 25 cents. He divided it between two people. Therefore, he gave a quarter to two

#2 - Famous Probability puzzle SHOOT

Mr. Black, Mr. Gray, and Mr. White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr. Black, who hits his shot 1/3 of the time, gets to shoot first. Mr. Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr. White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr. Black, where should you shoot first for the highest chance of survival?

Famous Probability puzzle SHOOT

He should shoot at the ground.

If Mr. Black shoots the ground, it is Mr. Gray's turn. Mr. Gray would rather shoot at Mr. White than Mr. Black, because he is better. If Mr. Gray kills Mr. White, it is just Mr. Black and Mr. Gray left, giving Mr. Black a fair chance of winning. If Mr. Gray does not kill Mr. White, it is Mr. White's turn. He would rather shoot at Mr. Gray and will definitely kill him. Even though it is now Mr. Black against Mr. White, Mr. Black has a better chance of winning than before.

#3 - Writers Riddle

What work can one never finish?

Writers Riddle

An autobiography

#4 - Aeroplane Hijack puzzle

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Aeroplane Hijack puzzle

If the officials thought he was jumping with a hostage, they would never risk giving him a faulty parachute.

#5 - Cipher Puzzle

What does this message say?

G T Y O R J O T E O U I A B G T


Hint
Count the letters and try splitting the letters up into groups.

'Great Job You Got It'

This type of code is known as a Caesar Box (Julius Caesar was the first to write codes this way.) To decipher the message, simply divide the code into four groups of four (you can also divide them into groups such as 5 groups of 5 or 6 groups of 6 depending on the number of letters in the phrase), and rearrange them vertically like this...
G T Y O
R J O T
E O U I
A B G T

Then you read vertically column by column.

#6 - Pyramid Number Puzzle

The below is a number puzzle. It should be read left to right, top to bottom.
1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?
Question 1: What is the next two rows of numbers?
Question 2: How was this reached?

Popular Number Sequence Puzzle
3 1 2 2 1 1
1 3 1 1 2 2 2 1

Line 1 is 'Two ones' (2 1)
Line 2 then becomes 'One two, and one one' (1 2 1 1)
Line 3 therefore is 'One one, one two and two ones' (1 1 1 2 2 1)
Line 4 is 'Three ones, two twos and one one' (3 1 2 2 1 1)
Line 5 is 'One three, one one, two twos and two ones' (1 3 1 1 2 2 1 1)

#7 - Unique Riddle

What is the unique characteristic of the following words:
coughing, thirsty, defiant

Unique Riddle

Each word has 3 consecutive letters of the alphabet- couGHIng, thiRSTy, DEFiant

#8 - CAT EXAM Riddle

There is a shop that reads:
Buy 1 for $1.00
10 for $2.00
100 for $3.00
I needed 913 and still only paid $3.00. How could this be financially viable for the shop-keeper?

They are numbers for houses and it's $1 per digit.

#9 - What Am I Puzzle

If you throw me from the window,
I will leave a grieving wife.
Bring me back, but in the door, and
You'll see someone giving life!

What am I?

What Am I Puzzle

The letter 'n'.

wiNdow - widow
door - doNor

#10 - Mathematical Riddle

Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?

Mathematical Riddle

SQRT(.2 ^ -2)
Take .2 and raise it to the power of -2 and then take the square root.