Fred can eat 27 chocolates in a hour, Alice can eat 2 chocolates in 10 minutes, and Kelly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a large box of 120 chocolates?

You have an unreliable clock. The clock loses exactly 24 minutes every hour. It is now showing 3:00am and you have set it correctly at midnight. The clock stopped 1 hour ago, what is the correct time now?

At six o’clock the wall clock struck 6 times. Checking with my watch, I noticed that the time between the first and last strokes was 30 seconds. How long will the clock take to strike 12 at midnight?

Can you find a number which added to itself one or several times will give a total having the same digits as that number but differently arranged and after the sixth addition will give a total of all nines?

A grandfather and his grandson have the same birthday date. For six consecutive birthdays the grandfather was a multiple of the grandson’s age. How old were each at their sixth consecutive birthday?

There are two planes. One is flying from New York to Tokyo at a speed of 800 MPH. The other is flying from Tokyo to New York at a speed of 700 MPH. When the planes meet, which one will be closer to Tokyo?

There are 9 balls that are identical. Only one ball is heavier than the rest. You also have a two-armed scale with which to measure the weight of the balls. Find the heavier ball by using the scale only twice.

There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

Each letter in the below equation stands for a different number, and each time the same letter appears, it is the same number. What is the only set of numbers that makes this equation correct? SEND + MORE = MONEY

There are eight pills. They are all the same size and color. One pill weighs slightly more than the others and it is poisonous. You have a balanced scale and can only use it twice. How can you find the poisoned pill?

A toad is laboring hard to climb up the wall of a deep well. He manages to climb 3 yards during day, and while resting at night slips back 2 yards. How many days will he take to complete his task of scaling 30 yards?

You have 8 identical-looking coins. One of these coins is counterfeit and is known to be lighter than the others. You also have a two-pan balance scale. How can you identify the fake coin by using the scale only twice?

“My Dad is three times my age,” declared Dimple,”‘but he’s the square of my younger brother’s age. I’m twice as old as my younger brother.” What age was his younger brother?

A man weighing 14 stone and his two sons weighing 7 stone each were stranded on an island. All they had to get off the island was a small boat, but it could only hold 14 stone. How did the man and his sons get off the island?

Suppose that you have a triangle with 3 ants on different vertices (corners) of the triangle. What is the probability that either 2 of the ants or all of the ants collide if all 3 ants start walking on the sides of the triangle?