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
High Tide Boat Riddle
A boat has a ladder that has six rungs. Each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour.
When the tide is at its highest, how many rungs are under water?
When the tide is at its highest, how many rungs are under water?
Hint:
None. The boat is floating on the water, so as the tide rises, so does the ladder. Did you answer this riddle correctly?
YES NO
YES NO
Ferry Boat Riddle
Hint:
Soldiers Across A River
A detachment of soldiers must cross a river. The bridge is broken, the river is deep. What to do?
Suddenly the officer in charge spots two boys playing in a row boat by the shore.
The boat is so tiny however, that is could only hold two boys or one soldier.
Still all the soldiers make it across the river in the boat. How?
Suddenly the officer in charge spots two boys playing in a row boat by the shore.
The boat is so tiny however, that is could only hold two boys or one soldier.
Still all the soldiers make it across the river in the boat. How?
Hint:
First the boys cross the river and 1 boy comes back and gets a soldier and keeps going back until all the soldiers have made it across safely. Did you answer this riddle correctly?
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YES NO
Benzene Ring Riddle
Hint:
I Am A Roman God
I have the atomic symbol Hg but Im not hydrogen
Im a metal but Im not gold
Im a liquid but Im not solder
Im a Roman god but Im not Apollo
Im a planet but Im not Mars
Im a metal but Im not gold
Im a liquid but Im not solder
Im a Roman god but Im not Apollo
Im a planet but Im not Mars
Hint:
I'm With The Bride Riddle
Fashioned with ribbon and maybe some roses
She even keeps me close in the wedding picture poses.
What am I?
Hint:
Running A Race Riddle
Hint:
You're in second place. You didn't pass the person in first. Did you answer this riddle correctly?
YES NO
YES NO
Hard To Catch Riddle
Hint:
A World's Best Seller Riddle
I am old but also new
I may seem rather strange but all of me is true
I am 66 inside but really only 1
I can be pocket sized or sometimes weigh a ton!
All of me is about a person you really ought to meet
He often signs his name and each story is his treat
I am a world best-seller but sadly seldom read
Perhaps you've seen me on a shelf or lying by a bed?
What am I?
I may seem rather strange but all of me is true
I am 66 inside but really only 1
I can be pocket sized or sometimes weigh a ton!
All of me is about a person you really ought to meet
He often signs his name and each story is his treat
I am a world best-seller but sadly seldom read
Perhaps you've seen me on a shelf or lying by a bed?
What am I?
Hint:
I Bake, I Rest Riddle
Hint:
The Redwood House Riddle
Hint:
Common Metal Riddle
This is a common type of metal
With the chemical symbol Fe
When mixed with oxygen and water
You will find that it can get rusty
What is it?
With the chemical symbol Fe
When mixed with oxygen and water
You will find that it can get rusty
What is it?
Hint:
Batman And Robbers Riddles
Hint:
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?
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YES NO
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