10 Boxes Riddle
There are ten boxes containing some balls. Each of the ball weighs exactly 10 grams. One of those boxes have defective balls (all the defective balls weigh 9 grams each).
An electronic weighing machine is provided to you and you are allowed only one chance of weighing on it.
How will you find out which box has defective balls ?
An electronic weighing machine is provided to you and you are allowed only one chance of weighing on it.
How will you find out which box has defective balls ?
Hint:
Let us simplify boxes by naming them from 1 to 10.
Now the trick here is to pick different number of balls from different boxes. So to simplify things, we will pick balls corresponding to box number.
Thus, pick 1 ball from Box 1, 2 balls from box 2, 3 balls from box 3 and so on. You will have 55 balls altogether. Now, put them all in the balance.
If all balls were weighing accurate 10 grams, the total weight of the 55 balls would have been 550 grams. But one of the box must have had the defective balls.
Suppose if the defective balls were in box number 2, then the total weight will be 2 grams less than 550. If the defective balls were in box 8, the total weight will be less than 8 grams from 550. In this way, you will be able to identify which box has the defective balls. Did you answer this riddle correctly?
YES NO
Now the trick here is to pick different number of balls from different boxes. So to simplify things, we will pick balls corresponding to box number.
Thus, pick 1 ball from Box 1, 2 balls from box 2, 3 balls from box 3 and so on. You will have 55 balls altogether. Now, put them all in the balance.
If all balls were weighing accurate 10 grams, the total weight of the 55 balls would have been 550 grams. But one of the box must have had the defective balls.
Suppose if the defective balls were in box number 2, then the total weight will be 2 grams less than 550. If the defective balls were in box 8, the total weight will be less than 8 grams from 550. In this way, you will be able to identify which box has the defective balls. Did you answer this riddle correctly?
YES NO
Written In Blood Riddle
On a dark, stormy Halloween night, four kids named Luke, John, Sarah and Bob walk into a haunted house during a blackout. Only one can escape. They take a staircase to the second floor, a trapdoor on the left, then go up the ladder to the right, followed by a 28-foot slide to the basement through the mouth of a Giant Panda. In one corner of the murky cellar is a chainsaw, a dagger, a rope with a noose and an electric chair. Written on the wall in blood are the words, Only one will survive choose your death! Bob takes the rope, Sarah picks up the dagger, John chooses the chainsaw and Luke uses the chair.
Who survives?
Who survives?
Hint:
Haunted Halloween House Riddle
To spice up your Halloween, you decide to enter a haunted house with your girlfriend. As you enter, an eerie silence embraces you and you can see nothing because its dark. You fumble your way and try your luck to find the switches, but it turns out to be a waste as there is no electricity connection to the house.
When you decide to turn back, the door closes on you and you are trapped in the house with your girlfriend who has now started panicking.
While you are trying to console her, an evil laughter takes you by surprise. Then, you see a faint figure who tells you that you have three doors in front of you and you must take one of them; it is the only way to free yourself. The figure describes that the first door opens up to a compact space filled with a swarm of deadly bees and you will be stung endlessly by them. The second door opens up to the electricity chairs. You both will be strapped to the chairs for five minutes and exposed to high voltage electricity. The third door opens up with a pit that has no bottom and you will keep falling endlessly into nothingness.
While this leaves you all panicked, which door will you choose if you have no other choice?
When you decide to turn back, the door closes on you and you are trapped in the house with your girlfriend who has now started panicking.
While you are trying to console her, an evil laughter takes you by surprise. Then, you see a faint figure who tells you that you have three doors in front of you and you must take one of them; it is the only way to free yourself. The figure describes that the first door opens up to a compact space filled with a swarm of deadly bees and you will be stung endlessly by them. The second door opens up to the electricity chairs. You both will be strapped to the chairs for five minutes and exposed to high voltage electricity. The third door opens up with a pit that has no bottom and you will keep falling endlessly into nothingness.
While this leaves you all panicked, which door will you choose if you have no other choice?
Hint:
You must choose the door that opens with electric chairs. This is because there is no electricity in the house. Thus, you will just have to sit on the chairs for five minutes and then you will be free to go. Did you answer this riddle correctly?
YES NO
YES NO
Power Outage Riddle
Julie is going on an extended trip for three weeks. She lives in a remote area where there are frequent electrical power outages which can last up to three or four days. Julie has quite a bit of food in her freezer which would go bad if it thawed and then re-froze. She does have digital clock and a VCR which would flash 12:00 if the power went out. Unfortunately the clock and VCR flash even if the power only goes out for a few seconds. What can Julie do so that when she returns home she will be able to determine whether the power was out long enough to thaw her food? Asking a neighbor whether the power was out, isn't a reliable option because the nearest house is half a mile away, and one house may have power, while another house may have no power. She won't be able to have a neighbor check on her house every day, and has no one to house sit.
Hint:
One thing Julie could do is freeze a tray of ice-cubes, and turn the tray of ice upside down in her freezer. When she comes home, she should check the tray. If the ice cubes are still in the tray, the food is safe to eat. If the trays are empty, it's time to clean out the freezer. She will have to make a judgment call if the ice-cubes are only slightly thawed. Did you answer this riddle correctly?
YES NO
YES NO
I Was Created By A Scientific Experiment Riddle
I was created by a scientific experiment but I’m not a drug
I have yellow skin but I’m not a banana
I have bolts but I’m not lightning
I’m brought to life by electricity but I’m not a light bulb
I’m 8 feet tall but I’m not a basketball player
What am I?
I have yellow skin but I’m not a banana
I have bolts but I’m not lightning
I’m brought to life by electricity but I’m not a light bulb
I’m 8 feet tall but I’m not a basketball player
What am I?
Hint:
We Turn It Off In The Morning Riddle
Hint:
Peanut Butter And Cereal Riddle
Hint:
The Start Of Nothing Logic Riddle
Hint: It's in plain sight
10 Fish In A Tank Riddle
Hint: They're inside a tank
Five Apples Riddle
Hint:
The fifth woman took the entire basket, with the apple still in it. Did you answer this riddle correctly?
YES NO
YES NO
Rivers With No Water Riddle
Hint: I represent an area of land or sea.
All Things Devours Riddle
Gnaws iron, bites steel,
Grinds hard stone to meal.
Slays kings, ruins towns,
and beats high
Mountains Down
Hint: I'm free but also priceless.
Can't Keep Me Until Given Riddle
Hint: Everyone has the ability to give this.
Longest Human Nose Riddle
Hint:
Days Of The Month Riddle
Hint:
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