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The Most Difficult Tasks (page 21)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 201 to 210. |
Find number abc
If baa21 + 13044 = c8aba find number abc. Multiple solutions may exist. Correct answers: 0
#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: 0
#brainteasers #mastermind
Calculate the number 993
NUMBERMANIA: Calculate the number 993 using numbers [5, 3, 5, 6, 73, 778] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania

Half-Fare Special
One of the airlines recently introduced a special half-fare rate for wives accompanying their husbands on business trips.
Anticipating some valuable testimonials, the publicity department of the airline sent out letters to all the wives of businessmen who used the special rates, asking how they enjoyed their trip.
Responses are still pouring in asking, "What trip?"
MAGIC SQUARE: Calculate A*B*C
The aim is to place the some numbers from the list (2, 6, 10, 15, 19, 22, 23, 28, 63, 67, 72, 85) 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: 0
#brainteasers #math #magicsquare
Find number abc
If 6b425 + aca99 = c40224 find number abc. Multiple solutions may exist. Correct answers: 0
#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: 0
#brainteasers #mastermind
Calculate the number 2085
NUMBERMANIA: Calculate the number 2085 using numbers [2, 6, 5, 6, 87, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
If 76a67 - b5a62 = c1aa5 find number abc. Multiple solutions may exist. Correct answers: 0
#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: 0
#brainteasers #mastermind
Calculate the number 5172
NUMBERMANIA: Calculate the number 5172 using numbers [1, 6, 4, 2, 45, 816] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
