Cyber security logic quiz

When you weren't looking, someone came by and hacked your laptop. The three IT students near the scene of this dastardly crime had this to say:

A: "Me? Oh yeah, I hacked it"
B: "I saw A hack your laptop!"
C: "B and I didn't hack that laptop."

One of these three students is lying to you, but which one is it?

• A

• B

• C

The first letter of the alphabet is A, and the letter B comes after the letter A.

However, the letter you need to worry about is the last one. What's the last letter of the alphabet?

Here's a hint: it isn't Z.

Ten candles stand burning in a dining room. A strong breeze blows in through an open window and extinguishes two of them. Checking back in on the candles later, you see that one more candle has gone out. To make sure no more flames go out, you shut the window. Assuming the wind doesn't extinguish any more candles, how many candles do you have left in the end?

• 1

• 2

• 3

• 0

Five suspects are called into police headquarters for questioning. They give the following statements.
A: "One of the five of us is lying."
B: "Two of the five of us are lying."
C: "I know these guys, and three of the five of us are lying."
D: "Don't listen to a word they say. Out of the five of us, four are lying."
E: "All five of us are dirty rotten liars!"

The police only want to release the suspects who are telling the truth. How many people should they let go?

• 1

• 2

• 3

• 4

• A

• B

• C

• D

The day before two days after the day before tomorrow is Saturday. What day is it today?

• Wednesday

• Thursday

• Monday

• Friday

Encircle everything that make this email phishy

Encircle everything that makes this site phishy

This board has 12 dots on it. Your task is to connect these dots to form as many squares as possible.

You can use each dot multiple times, and you can orient the squares however you wish to fit them on the board. However, to be counted as a square, each corner must be on a dot.

How many different squares can be drawn on the board?

• 5

• 10

• 11

On Valentine's Day, your gadget-loving, technophile SO gave you a most unusual slab of chocolate. While the jumble of letters looks like nonsense, if you manage to decode the letters written on the chocolate, a message from your sweetheart will appear.

What are they trying to tell you?