# 8 Puzzles That Might Keep You Up All Night

According to several studies, solving riddles and puzzles is really good to your brain. It enhances your memory, sharpens your intellect, and teaches you to pay attention to little things. It’s also a lot of fun. Take a look at these riddles with a twist.

### 1. Candle mystery

A community formerly housed an elderly man and his three daughters. Death came to steal the old man’s spirit when he became terribly sick one day. Death consented to let the oldest daughter’s father live for another two years. Death reappeared two years later, the second daughter pleaded, and Death consented to give the old man another year.

Death reappeared a year later, this time accompanied by the youngest daughter, who held a candle and begged Death to let her father live until the candle in her palm burnt out. Death consented. Death never returned, just as the youngest daughter had predicted.

Question. What was her strategy?

After Death had departed, the youngest daughter blew out the candle, but it never burnt out.

Paul was on a 25-meter ladder. He tumbled from the ladder and onto the ground. He didn’t, however, perish or suffer serious injuries.
I’m curious as to how this is possible?
On the bottom rung of the ladder, Paul was standing.

### 3. Coins mystery

You have two buckets of water, one with a temperature of 25 degrees Celsius and the other with a temperature of 25 degrees Fahrenheit. You drop a coin from the same height into each bucket, and they all strike the water at the same moment.

Which coin is the first to touch the bottom?

The first bucket’s coin. Water is liquid at 25 degrees Celsius, but ice at 25 degrees Fahrenheit.

### 4. Grass mystery

There is a patch of enchanted grass in a field that doubles in size every day. If there is only one patch of grass on the first day, there will be two patches on the second day, and so on. The grass takes ten days to cover the entire field.

How long do you think it’ll take to cover half of the field?

Every day, the grass doubles in size, so on the ninth day, it will be half the size it was on the tenth. As a result, on the ninth day, half of the patch will be covered.

### 5. An apple mystery

In a room with ten individuals, each person can see the entire room and everyone else. You want an apple to be visible to everyone except one individual.

Question: Where in the room would you put the apple?

Place the apple on the head of anyone you choose.

### 6. Car vs car

The blue automobile is traveling at 60 mph, while the red car is traveling at 40 mph. Despite the fact that they both began at the same moment, they nevertheless cross paths at some point.

What makes you think that’s possible?

They’re going in the opposite direction.

### 7. Apple tree mystery

Ann and Mary, two pals, went for a bush stroll. When heavy rain began to fall, the girls noticed an abandoned home and decided to seek refuge inside. The buddies were dry but hungry when the rain stopped. As a result, they went their own ways in search of fruit.

Ann came onto an apple tree, but when she ate one, she transformed into the tree. When Mary arrived half an hour later, she overheard someone remark, “Your buddy has transformed into a tree; you must locate her and bring her back.” You just get one shot. If you make a mistake, your friend will always be a tree.”

What is the best way for Mary to figure out which tree is her friend?