Brain Teasers Challenge Quiz

Logic Puzzle 1: A man is looking at a photograph of someone. His friend asks who it is. The man replies, 'Brothers and sisters, I have none. But that man's father is my father's son.' Who was in the photograph?

• The man's brother

• The man's grandfather

• The man's uncle

• The man's son

Logic Puzzle 2: You have a 3-gallon jug and a 5-gallon jug, and you need to measure out exactly 4 gallons of water. How do you do it?

• Fill the 3-gallon jug, then pour the water into the 5-gallon jug. Fill the 3-gallon jug again, and pour the water into the 5-gallon jug until it is full. This will leave exactly 3 gallons of water in the 3-gallon jug. Empty the 5-gallon jug, and pour the 3 gallons of water from the 3-gallon jug into the 5-gallon jug. Finally, fill the 3-gallon jug again, and pour the water into the 5-gallon jug. This will give you exactly 4 gallons of water in the 5-gallon jug.

• Fill the 5-gallon jug, then pour the water into the 3-gallon jug. Fill the 5-gallon jug again, and pour the water into the 3-gallon jug until it is full. This will leave exactly 2 gallons of water in the 5-gallon jug. Empty the 3-gallon jug, and pour the 2 gallons of water from the 5-gallon jug into the 3-gallon jug. Finally, fill the 5-gallon jug again, and pour the water into the 3-gallon jug. This will give you exactly 4 gallons of water in the 3-gallon jug.

• Fill the 3-gallon jug, then pour the water into the 5-gallon jug. Fill the 5-gallon jug again, and pour the water into the 3-gallon jug until it is full. This will leave exactly 2 gallons of water in the 5-gallon jug. Empty the 3-gallon jug, and pour the 2 gallons of water from the 5-gallon jug into the 3-gallon jug. Finally, fill the 5-gallon jug again, and pour the water into the 3-gallon jug. This will give you exactly 4 gallons of water in the 3-gallon jug.

• Fill the 3-gallon jug, then pour the water into the 5-gallon jug. Fill the 3-gallon jug again, and pour the water into the 5-gallon jug until it is full. This will leave exactly 1 gallon of water in the 3-gallon jug. Empty the 5-gallon jug, and pour the 1 gallon of water from the 3-gallon jug into the 5-gallon jug. Finally, fill the 3-gallon jug again, and pour the water into the 5-gallon jug. This will give you exactly 4 gallons of water in the 5-gallon jug.

Riddle 1: I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?

• Music

• Echo

• Silence

• Whisper

Riddle 2: The more you take, the more you leave behind. What am I?

• Footsteps

• A vacuum cleaner

• A black hole

• A sinkhole

Critical Thinking Challenge 1: If you have a bowl with six apples and you take away four, how many do you have?

• 6

• 2

• 0

• 10

Critical Thinking Challenge 2: How can you lift an elephant with one hand?

• Use a crane to lift the elephant with one hand

• Ask someone else to help you lift the elephant with one hand

• Train the elephant to lift itself with one hand

• It is not possible to lift an elephant with one hand.

Problem-Solving Scenario 1: You are in a room with no windows, doors, or any other openings. All you have is a mirror and a table. How do you get out?

• You use the mirror to reflect sunlight and start a fire to burn the table

• You use the mirror to signal for help and wait for someone to rescue you

• You use the mirror to look at yourself and hope that someone will come and let you out

• You look in the mirror and see what you saw. You take the saw and cut the table in half. Two halves make a whole, and you crawl through the hole to get out.

Problem-Solving Scenario 2: You are in a dark room with a candle, a wood stove, and a gas lamp. You only have one match, so what do you light first?

• Wood stove

• Gas lamp

• Match

• Candle

Brain Teaser Game 1: What has keys but can't open locks?

• car

• book

• computer

• piano

Brain Teaser Game 2: I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

• coal

• diamond

• gold

• pencil