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Monthly Archive - April 2022 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Find number abc
If b9a61 - c768a = 21777 find number abc. Multiple solutions may exist. Correct answers: 7
#brainteasers #math
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
#brainteasers #mastermind
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
#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!
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!
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
#brainteasers #math #magicsquare
Find number abc
If 866ac - aa480 = 311bc find number abc. Multiple solutions may exist. Correct answers: 12
#brainteasers #math
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
#brainteasers #mastermind
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
#brainteasers #math #numbermania
Find number abc
If 6ac9a + b0cab = 9a9c8 find number abc. Multiple solutions may exist. Correct answers: 14
#brainteasers #math
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
#brainteasers #mastermind
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
#brainteasers #math #numbermania