John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

What makes this number unique: 8,549,176,320?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?