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Brain Teasers (page 284)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 2831 to 2840. |
What a winning combination?
. 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.','/archive/2019/07/02/mastermind-1562025901.png','/What-a-winning-combination/6018'))
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. Calculate the number 5389
. Each of the numbers can be used only once.','/archive/2019/07/01/numbermania-1561939502.png','/calculate-the-number-5389/6017'))
NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
)
If 20b6c + a2a4c = 33aa4 find number abc. Multiple solutions may exist. 
Loud Train
A man had to attend a large convention in Chicago. On this particular trip he decided to bring his wife. When they arrived at their hotel and were shown to their room, the man said: "You rest here while I register - I'll be back within an hour."
The wife lies down on the bed... just then, an elevated train passes by very close to the window and shakes the room so hard she's thrown out of the bed. Thinking this must be a freak occurrence, she lies down once more. Again a train shakes the room so violently, she's pitched to the floor.
Exasperated, she calls the front desk, asks for the manager. The manager says he'll be right up. The manager (naturally) is sceptical but the wife insists the story is true.
"Look,... lie here on the bed - you'll be thrown right to the floor!"
So he lies down next to the wife... Just then the husband walks in. "What," he says, "are you doing here?"
The manager replies: "Would you believe I'm waiting for a train?"
Find the right combination
. 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.','/archive/2019/06/29/mastermind-1561766701.png','/Find-the-right-combination/6015'))
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. Calculate the number 476
. Each of the numbers can be used only once.','/archive/2019/06/28/numbermania-1561680301.png','/calculate-the-number-476/6014'))
NUMBERMANIA: Calculate the number 476 using numbers [4, 9, 3, 1, 40, 954] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. MAGIC SQUARE: Calculate A-B*C
 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.','/archive/2019/06/27/magic-square-1561593923.png','/MAGIC-SQUARE-Calculate-A-B-C/6013'))
The aim is to place the some numbers from the list (3, 4, 8, 17, 18, 22, 44, 58, 59, 63) 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. Find number abc
)
If 2a6ba + 5bcca = ca576 find number abc. Multiple solutions may exist. What a winning combination?
. 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.','/archive/2019/06/25/mastermind-1561421101.png','/What-a-winning-combination/6011'))
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. Calculate the number 3188
. Each of the numbers can be used only once.','/archive/2019/06/24/numbermania-1561334701.png','/calculate-the-number-3188/6010'))
NUMBERMANIA: Calculate the number 3188 using numbers [9, 2, 4, 9, 56, 235] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
)
If 5c434 + ba333 = ca3b6b find number abc. Multiple solutions may exist. 
