Logic Puzzles
There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?
Three. Two ducks are in front of the last duck; the first duck has two ducks behind; one duck is between the other two.
You go at red but stop at green. What am I?
A watermelon. You eat the red part, and you stop eating at the green part.
What two things can you never eat for breakfast?
Lunch and Dinner
What number goes up and doesn't come back down?
Your Age
When Jill was 6, Anne was half her age. Jill is 35, how old is Anne?
Anne is 32
I’m tall when I’m young, and I’m short when I’m old. What am I?
A candle
How can a girl go 25 days without sleep?
She sleeps at night
If there are 4 apples and you take away 3, how many do you have?
3 Apples
If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse?
Five minutes. Using the information we know, it would take one cat 25 minutes to catch all five mice (5×5=25). Then working backward and dividing 25 by five, we get five minutes for one cat to catch each mouse.
I’m (usually) white and used for cutting and grinding. When I’m damaged, humans usually remove me or fill me. For most animals, I am a useful tool. What am I?
Teeth
You spot a boat full of people but there isn’t a single person on board. How is that possible?
Everyone is married
If eggs are $0.12 a dozen, how many eggs can you get for a dollar?
100 eggs, at one penny each.
Playing chess with Aire
I can fly but have no wings. I can cry but I have no eyes. Wherever I go, darkness follows me. What am I?
Clouds
A young boy was rushed to the hospital emergency room, but the ER doctor saw the boy and refused to operate. “This boy is my son,” the doctor said. But the doctor wasn’t the boy’s father. How could this be?
The doctor was the boy’s mom.
If you multiply this number by any other number, the answer will always be the same. What number is this?
Zero
The day before two days after the day before tomorrow is Saturday. What day is it today?
Friday. The “day before tomorrow” is today; “the day before two days after” is really one day after. So if “one day after today is Saturday,” then it must be Friday.
I can never be thrown but I can be caught. Ways to lose me are always being sought. What am I?
A cold
A man was outside taking a walk when it started to rain. The man didn’t have an umbrella and he wasn’t wearing a hat or a hood. His clothes got soaked, yet not a single hair on his head got wet. How could this be?
The man was bald
A farmer has 17 sheep and all but 9 die. How many are left?
Nine