Lakes And Boats Riddle
There is a lake with shores A and B. Two motorboats M and N are standing on the opposite sides (A and B respectively). M leaves A and N leaves B and start moving with constant speeds. They meet for the first time 500 yards away from A. After touching the shores, they return back to the previous shore point without taking any break. This time they meet at 300 yards away from B.
Can you determine how wide the lake is? What is the relation between the speeds of boats?
Can you determine how wide the lake is? What is the relation between the speeds of boats?
Hint:
When the boats meet for the first time, they have sailed a combined distance that is equal to one length of the lake. When they meet the second time, they have sailed 3 lengths. The elapsed time and the distance for each is three times.
When they meet for the second time, the boat M has sailed 500 x 3 = 1500 yards. Now, this is 300 yards longer than the length of the lake, it must be 1200 yards wide.
The ration between the speed of boat M and boat N is equal to the ratio of the distance that they have sailed before they meet the first time. Did you answer this riddle correctly?
YES NO
When they meet for the second time, the boat M has sailed 500 x 3 = 1500 yards. Now, this is 300 yards longer than the length of the lake, it must be 1200 yards wide.
The ration between the speed of boat M and boat N is equal to the ratio of the distance that they have sailed before they meet the first time. Did you answer this riddle correctly?
YES NO
Fell At A Shout
I am thick but hollow, both on and above the ground
I am not only square but am also round
I keep people in and I keep people out
I could not be moved but once fell at a shout
I am in the Bible - what am I?
I am not only square but am also round
I keep people in and I keep people out
I could not be moved but once fell at a shout
I am in the Bible - what am I?
Hint: Joshua 6
Egg In A Glass Riddle
A science teacher told his after school class, "Whoever can get this egg into this smaller glass bottle will win no homework for a week! The rules are: the egg has to go into the bottle in one piece, and you can't break the bottle. You can also use anything in the science lab. So, do we have any volunteers?"
A boy raised his hand and the teacher pointed at him. The boy took the egg and looked around the science lab for the things he could use. He saw some writing paper, a pack of matches, some vinegar, a sink, and the glass bottle. By the end of the after school class, the boy had gotten the egg into the smaller bottle.
How did he do it?
A boy raised his hand and the teacher pointed at him. The boy took the egg and looked around the science lab for the things he could use. He saw some writing paper, a pack of matches, some vinegar, a sink, and the glass bottle. By the end of the after school class, the boy had gotten the egg into the smaller bottle.
How did he do it?
Hint: Without doing anything to the egg, the egg can't fit into the bottle
First, soak the egg in the vinegar which softens the shell without compromising the egg. Next, take some of the writing paper and shred it into pieces. Take the shredded pieces and put them into the glass bottle. Take a match and light a fire inside the bottle with the shredded paper. After, take the vinegar-soaked egg and put it on the top of the bottle so no oxygen can get into the bottle. The fire can't live without any oxygen so it will try to suck oxygen from the entrance which the egg is blocking. When the fire does this, the fire becomes like a vacuum. So, basically, the fire sucks the egg into the bottle to try to get the oxygen. After a short while, the shell will reharden and that's how the egg got into the bottle. Did you answer this riddle correctly?
YES NO
YES NO
Not A Fairground Ride
It spins at 1,000 miles per hour
Although it is not a fairground ride
At its center there is a molten core
And it has a crust on its outside
What is it?
Although it is not a fairground ride
At its center there is a molten core
And it has a crust on its outside
What is it?
Hint:
Hobbit Brain Teaser Riddle
Anyone whos gotten lost in Middle Earth knows that J.R.R. Tolkien loved a logic puzzle. The riddle competition between Bilbo Baggins and Gollum in The Hobbit serves up the trickiest riddle of which is:
Voiceless it cries,
Wingless flutters,
Toothless bites,
Mouthless mutters?
Voiceless it cries,
Wingless flutters,
Toothless bites,
Mouthless mutters?
Hint:
You Can Play With Me Riddle
Hint:
Upholstery Machine Riddle
Hint:
The Pain Train Riddle
A girl and a boy are situated in a space surrounded by a railway. There is a train on the rails which is very very fast and they are unable to cross the rails without being hit by the train. The girl wants to visit her mother in the hospital and the boy wants to visit his father in prison. How will they manage to do that?
Hint:
The boy will push the girl on the rails. On one hand, she will get hurt and she will go to the hospital. On the other hand, the boy will go to prison because he pushed her. Did you answer this riddle correctly?
YES NO
YES NO
A Riddle About Transport
Here is a riddle about transport
So it is time to use your brain
This has an engine and carriages
And runs on rails it's a_______?
So it is time to use your brain
This has an engine and carriages
And runs on rails it's a_______?
Hint:
People Ride On My Back Riddle
I have four legs and a long tail.
I eat oats and hay.
I love to run fast.
I let people ride on my back.
What am I?
I eat oats and hay.
I love to run fast.
I let people ride on my back.
What am I?
Hint:
Billy's Bicycle Riddle
Bill rode his bicycle 300 miles. Three tires were used equally in accumulating this distance. How many miles of wear did each tire sustain?
Hint:
200 miles. For every mile traveled, each of the two tires sustained one mile of usage. Therefore, in a total of 300 miles traveled, there would be a total of 600 miles of wear. And 600 divided by three is 200. Did you answer this riddle correctly?
YES NO
YES NO
Riding A Bike Riddle
Hint:
Bank Teller Biking Riddle
Hint:
Elephant On A Bike Riddle
Hint:
Dreams Of Guillotines Riddle
A lawyer argued for $1,000,000 damages based on the following claim: His client went to an art museum, where he saw a painting of Marie Antoinette on a guillotine. He fell asleep and dreamed of the painting. At the museums closing time, a guard tapped him on the neck just as he dreamed of the guillotine beheading Marie Antoinette. The tap provoked immediate cardiac arrest and a fatal heart attack immediately following, because he associated the tap with the guillotine blade.
The judge dismissed the case. Why?
The judge dismissed the case. Why?
Hint:
If the client died in his sleep, there would be no way of knowing what he was dreaming. Did you answer this riddle correctly?
YES NO
YES NO
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