BRAIN TEASERS
Brain Teasers (page 154)

Brain Teasers (page 154)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1531 to 1540.
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 9
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 840

NUMBERMANIA: Calculate the number 840 using numbers [8, 6, 8, 5, 99, 164] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (7, 9, 14, 15, 16, 22, 54, 56, 62, 86) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A-B+C.
Correct answers: 4
CHECK ANSWER
#brainteasers #math #magicsquare

20 of the most groan-worthy Dad jokes

What do you call a bear with no socks on?
Bare foot.

What button is impossible to unbutton?
The belly button.

What did Michael Jackson call his denim store?
Billie Jeans.

What is invisible and smells of worms?
A bird's fart.

What do you call a Minecraft celebration?
A block party.

Who is the best Kung Fu vegetable?
Brocco-Lee.

What do you call a rabbit who is angry over getting burnt?
A hot cross bunny.

What did the butt say to the other butt?
PTTTTT.

What's orange and sounds like a parrot?
A carrot.

Why couldn't the toilet paper cross the road?
He got stuck in a crack.

What's round and sounds like a trumpet?
A crumpet.

What do you call a sleeping dinosaur?
A dino‐SNORE.

What do you call a man with a spade on his head?
Dug.

What kind of hair do they sell at IHOP?
Eggstensions.

What do you call an Asian man who always has correct change?
Exact Lee.

What do you call an apple that farts?
A fruity Tooty.

What is the best day to cook?
FRY-DAY.

What did the horse say when it fell?
GIDDYUP!

What do you receive when you ask a lemon to help?
Lemon aid

Why can’t you give Elsa a balloon?
Because she will let it go.

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If cbacb + 8c650 = 1aabbb find number abc. Multiple solutions may exist.
Correct answers: 4
CHECK ANSWER
#brainteasers #math
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 12
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7756

NUMBERMANIA: Calculate the number 7756 using numbers [5, 8, 9, 2, 19, 976] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 9a5a4 + 6bab9 = b5b5c3 find number abc. Multiple solutions may exist.
Correct answers: 4
CHECK ANSWER
#brainteasers #math
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 11
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1459

NUMBERMANIA: Calculate the number 1459 using numbers [2, 5, 2, 1, 99, 391] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A+B*C

The aim is to place the some numbers from the list (6, 7, 13, 17, 18, 24, 43, 44, 50, 72) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A+B*C.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #magicsquare
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Arago announces electromagnetism

In 1820, Francois Arago announced that a copper wire between the poles of a voltaic cell, could laterally attract iron filings to itself (Ann. de Chim. et de Physique., xv. p.93). His discovery came in the same year that Oersted discovered that an electric current flowing in a wire would deflect a neighbouring compass needle. Arago in the same publication described how he had successfully succeeded in causing permanent magnetism in steel needles laid at right angles to the copper wire. Arago and André-Marie Ampère, discussed and experimented with forming the copper wire into a helix to intensify the magnetizing action. However, it was not until 1825 that the electromagnet in its familiar form was invented by William Sturgeon.«
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