Are you a logical person? Could you use your logic like a tool to solve problems? Then this is where you'll find some great challenges to test your logical skills.
Here you'll find our logic riddles, including short logic riddles, easy logic riddles, hard logic riddles and long logic riddles. All the riddles are with answers.
1 duck saw 4 elephants as it was going toward the river.
Every elephant noticed 2 monkeys going to the river.
Every monkey was carrying 1 dove in its paws.
How many animals are going to the river?
Five animals are moving toward the river.
Here's a detailed answer:
1 duck noticed 4 elephants as it was going toward the river. Hence, 1 animal (the duck) is moving to the river.
The 4 elephants saw 2 monkeys going walking toward the river. Now comes the tricky part. You may think that each elephant saw 2 different monkeys walking toward the river. So you would conclude that 4 x 2 = 8 monkeys were going to the river.
However, the task does not explicitly say that each elephant saw DIFFERENT monkeys. In fact, you can logically infer that the elephants saw the SAME 2 monkeys. Hence, we only have 2 additional animals (monkeys) moving toward the river.
Since every monkey was carrying 1 dove, the 2 monkeys were carrying 2 doves in total.
Summing up, we have 1 duck, 2 monkeys, and 2 doves moving to the river. 1 + 2 + 2 = 5 animals.
You've got a sack of corn, a chicken, and a fox. You have to cross a river, but you can only carry them one at a time. If you leave the chicken with the sack of corn, the chicken will eat the corn. If you leave the fox alone with the chicken, the fox will eat the bird.
How can you get all three things across the river safely?
Cross the river with the chicken, then go back and carry the corn over the river. However, instead of leaving the corn with the bird, return together with the chicken. Cross the river for the third time with the fox, leaving the chicken behind. Leave the fox with the sack of corn, and return for the last time to get the chicken. Done!
You enter a room and notice a bed. There are 3 dogs, 2 cats, 1 goat, 4 crows, and a goose on the bed. In addition, 3 sparrows are flying around the bed.
How many LEGS are there on the floor?
A group of privates were standing in the blistering sun facing due west. Their sergeant shouted at them: Right turn! About turn! Left turn! In which direction are they now facing?
A simple peasant bought a number of camels and is taking them to his farm. As he rides contentedly along he counts them - he counts 29. He was sure he had bought 30 camel, so in alarm he jumps off his camel and counts the camels again. To his delight there are 30. Half an hour later, he counts his camels and once more there are just 29. Confused, he climbs off his camel and counts again. Once more there are 30. Can you explain?
Two sentries were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?" How did he know that his companion was smiling?
Two dogs are sitting on a porch - a fat dog and a thin dog. The little dog is the son of the fat dog, but the fat dog is not the father of the thin dog. Can you explain?
You are on an island in the middle of a lake. The lake is in a remote part of the country and there has never been a bridge connecting the island to the mainland. Every day a tractor and wagon gives hay rides around the island. Puzzled as to how the tractor had gotten onto the island, you ask around and find out that the tractor was not transported to the island by boat or by air. Nor was it built on the island. Explain how the tractor got there?
You're in a magical bathroom with no windows and the only way things can get in and out is by an open door. You decide to have a bath so you turn on the tap, you shut the door and the handle breaks so you can't open it, you then turn off the tap and the knob breaks so water keeps coming. How do you save yourself from drowning?
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I'm double, I'm single, I'm black, blue, and gray, I'm read from both ends, And the same either way. What am I?
A man went on a trip with a fox, a goose and a sack of corn. He came upon a stream which he had to cross and found a tiny boat to use to cross the stream. He could only take himself and one other - the fox, the goose, or the corn - one at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How does he get all safely over the stream?
Take the goose over first and come back. Then take the fox over and bring the goose back. Now take the corn over and come back alone to get the goose. Take the goose over and the job is done!
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years. Which room is safest for him?
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