BRAIN TEASERS
Monthly Archive - April 2022 (page 3)

Monthly Archive - April 2022 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
Register with your Google Account and start collecting points.
Check your ranking on list.
[link]

Find number abc

If b9a61 - c768a = 21777 find number abc. Multiple solutions may exist.
Correct answers: 7
CHECK ANSWER
#brainteasers #math
[link]

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: 13
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 5365

NUMBERMANIA: Calculate the number 5365 using numbers [4, 6, 7, 6, 48, 906] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania

Stay Over One Night

A hindu priest, rabbi and a lawyer were driving down the road, when the car breaks down. Fortunately finding a farmhouse nearby, the farmer informed them that he had only one spare room, and that it had only two twin beds.
They were welcome to it, but one of them had to sleep in the barn. After much discussion, the hindu volunteered to go to the barn. A few moments later, a knock on the bedroom door, and the hidu explained that there was a cow in the barn, and cows are sacred and he could not possibly sleep in the barn with a cow.
Annoyed, the rabbi volunteered. A few moments later, a knock on the door. The rabbi explained that there was a pig in the barn and that he, being very orthodox, could not possibly spend the evening in the barn with the origin of pork.
Finally the lawyer said that he would go to the barn. A few moments later there was a knock on the door. It was the cow and the pig!
Jokes of the day - Daily updated jokes. New jokes every day.
[link]

MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (4, 5, 13, 25, 26, 34, 65, 66, 68, 74, 91) 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
[link]

Find number abc

If 866ac - aa480 = 311bc find number abc. Multiple solutions may exist.
Correct answers: 12
CHECK ANSWER
#brainteasers #math
[link]

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: 6
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 399

NUMBERMANIA: Calculate the number 399 using numbers [4, 2, 7, 4, 22, 670] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
[link]

Find number abc

If 6ac9a + b0cab = 9a9c8 find number abc. Multiple solutions may exist.
Correct answers: 14
CHECK ANSWER
#brainteasers #math
[link]

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: 7
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 1906

NUMBERMANIA: Calculate the number 1906 using numbers [2, 4, 2, 2, 48, 977] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
PREVIOUS PAGE
NEXT PAGE
Follow Brain Teasers on social networks

Top 10 Users (1174)

1. H Tav
5861
2. c. raj.
5777
3. Nasrin 24 T
5731
4. Fazil Hashim
5718
5. Thinh Ddh
5557
6. Alfa Omega
4681
7. Djordje Timotijevic
4549
8. Mita Kojd
4525
9. Jakubovski Vladimir
4443
10. Chandu Rajyaguru
4419
See full ranking list

Edward A. Doisy

Born 13 Nov 1893; died 23 Oct 1986 at age 92.Edward Adelbert Doisy was an American biochemist who shared (with Henrik Dam) the 1943 Nobel Prize for Physiology or Medicine for his isolation and synthesis of vitamin K, a substance that encourages blood clotting (1939), used in medicine and surgery. With the embryologist Edgar Allen (1922-34), he developed assay techniques that facilitated research on sex hormones. Doisy and his associates isolated the sex hormones estrone (theelin, 1929; the first estrogen to be crystallized), estriol (theelol, 1930), and estradiol (dihydrotheelin, 1935). In 1936-39 he isolated two forms of the vitamin, (K1 from lucerne seed and K2 from fish meal, in a pure crystalline form), determined their chemical structures, and synthesized the vitamin.«
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.