|
Monthly Archive - June 2025 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Calculate the number 6300
NUMBERMANIA: Calculate the number 6300 using numbers [7, 2, 9, 1, 62, 390] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
If a0ca6 + 1b5ba = cb898 find number abc. Multiple solutions may exist. Correct answers: 1
#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: 1
#brainteasers #mastermind

A 6th Grade Teacher Asks a Question
A 6th-grade teacher posed the following problem to one of her arithmetic classes:
“A wealthy man dies and leaves ten million dollars.
One-fifth is to go to his wife, one-fifth is to go to his son, one-sixth to his butler, and the rest to charity.
Now, what does each get?”
After a very long silence in the classroom, one little boy raised his hand.
With complete sincerity in his voice, answered, “A lawyer!”
Calculate the number 7337
NUMBERMANIA: Calculate the number 7337 using numbers [3, 8, 5, 7, 61, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A+B-C
The aim is to place the some numbers from the list (6, 8, 9, 27, 29, 30, 48, 57, 59, 60) 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: 1
#brainteasers #math #magicsquare
Find number abc
If aaa20 - cacab = 40c4b find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Which is a winning combination of digits?
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: 1
#brainteasers #mastermind
Calculate the number 2460
NUMBERMANIA: Calculate the number 2460 using numbers [6, 5, 6, 7, 53, 425] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
If cba3b - 282b9 = b28b2 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math