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Brain Teaser 1. A 30 year old man married a 25 year old woman. She died at age 50 a nd her husband was so devastated that he cried for years. Ten y ears after he stopped crying, he died. If he had lived to be 80. How many years was he a widower?.

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brain teaser 1

Brain Teaser 1

A 30 year old man married a 25 year old woman.

She died at age 50 and her husband was so

devastated that he cried for years. Ten years after

he stopped crying, he died. If he had lived to be 80.

How many years was he a widower?

He was a widower for 25 years. !

brain teaser 2

Brain Teaser 2

If Susan is 10, Arabella is 20, and Jim

and Neal are both 5, but Richard is 10.

How much is Jennifer by the same system?

Jennifer is fifteen, in a system that awards

five for each syllable.

brain teaser 3

Brain Teaser 3

If 2 hours ago it was as long after

one o'clock in the afternoon as it was before

one o'clock in the morning.

What time would it be now?

Nine o'clock. Since there are 12 hours between

the 2 times and half of that time is six, then the

halfway mark would have to be 7 o'clock. If it were

7 o'clock, two hours ago, the time would now be

nine o'clock.

brain teaser 4

I am eight letters long - "12345678" My 1234 is an atmospheric condition. My 34567 supports a plant. My 4567 is to appropriate. My 45 is a friendly thank-you. My 678 is a name. 

Q: What word am I?

Brain Teaser 4


brain teaser 5

Two boxers are in a boxing match

(regular boxing, not kick boxing).

The fight is scheduled for 12 rounds

but ends after 6 rounds, after one boxer

knocks out the other boxer. Yet no man throws a punch.

How is this possible? 

Brain Teaser 5

brain teaser 6

Two mothers and two daughters were fishing.

They managed to catch one big fish,

one small fish and one fat fish. Since only

three fish were caught.

How is it possible that they each

took home a fish?

Brain Teaser 6

The fishing party consisted of three people.

A grandmother, a mother, and a daughter.

The mother is both a mother and a daughter. 

brain teaser 7

Brain Teaser 7

If you were to put a coin into an empty

bottle and then insert a cork into the neck

How could you remove the coin without taking out the cork or breaking the bottle?

Simply push the cork into the bottle

and shake the coin out. 

brain teaser 8

Brain Teaser 8

What is at the beginning of eternity,

the end of time,

the beginning of every end

and the end of every place?


brain teaser 9

Brain Teaser 9

A snail is at the bottom of a well 30 feet

deep. It crawls up 3 feet each day, but at

night, it slips down 2 feet.

How long does it take for the snail

to crawl out the well?

28 days. Once it reaches the top,

it does not slip down 2 feet. 

brain teaser 10

A boy leaves his house one summer day

and began to run  into the woods to his

grandmother's house which is on the other side of the woods. It should also be known

that the boy reached his grandmother's house.

How far did the boy run into the woods?

Brain Teaser 10

brain teaser 11

You want to send a valuable object to a friend.

You have a box  which is more than large enough

to contain the object. You have several locks with keys. The box has a locking ring which is more than large enough to have a lock attached. But your friend does not have the key to any lock that you have. Note that you cannot send  a key in an unlocked box, since it might be copied.

How is this done?

Brain Teaser 11

Attach a lock to the ring. Send it to her. She attaches her own lock and sends it back. You remove your lock and send it back to her. She removes her lock.

brain teaser 12

You have two egg timers

a 4-minute egg timer

and a 7-minute egg timer. You want to measure 9 minutes.

How do you do it?

Brain Teaser 12

Start both egg timers. When the 4-minute timer runs out, turn it over (4 minutes elapsed). When the 7-minute timer runs out, turn it over (7 minutes elapsed). When the 4-minute timer runs out this time (8 minutes elapsed), the 7-minute timer has been running for 1 minute. Turn it over once again. When it stops, 9 minutes have elapsed.

brain teaser 13

Brain Teaser 13

If there are fifteen crows on a fence

and the farmer shoots a third of them.

How many are left?


they all flew away with noise of the gun.

brain teaser 14

The Lone Ranger rode into town on Friday.

He stayed 5 consecutive  days and left on Friday.

How could this be? 

Brain Teaser 14

Friday was the name of his horse.

brain teaser 15

Brain Teaser 15

How much dirt is in a hole that is 3 ft deep

and 6 inches in diameter?

brain teaser 16

Brain Teaser 16

How many times can you subtract

the number 5 from 25?


After the first calculation,

you will be subtracting 5 from 20, then 5 from 15, and so on.

brain teaser 17

There is a man that lives on the top floor

of a very tall building.  Everyday he gets

the elevator down to the ground floor to leave the building to go to work.  Upon returning from work though, he  can only travel half way up in the lift and has to walk the rest of the way, unless it's raining!  WHY?

Brain Teaser 17

The man was a dwarf and couldn't reach top liftbuttons except with an umbrella.

brain teaser 18

A man is wearing black. Black shoes, socks,

trousers, jumper, gloves, and balaclava. 

He is walking down a black streetwith all the

street lamps off.  A black car is coming

toward him with its lights off too, but

somehow manages to stop in time.  How did the driver see the man?

Brain Teaser 18

It was day time.

brain teasers 19

Brain Teasers 19

Is half of two plus two

equal to two or three?

Three. It seems that it could almost be either,but if you follow the mathematical orders of operation,division is performed before addition. So... half of twois one. Then add two, and the answer is three.

brain teaser 20

How would you rearrange the letters

in the words “ new door” to make oneword?

There is only one correct answer. 

Brain Teaser 20

One Word!