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The Most Difficult Tasks (page 64)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 631 to 640. |
Find number abc
)
If cab78 - ba3b6 = b99cb find number abc. Multiple solutions may exist. 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/2025/08/16/mastermind-1755302701.png','/Find-the-right-combination/8451'))
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 7299
. Each of the numbers can be used only once.','/archive/2025/08/15/numbermania-1755216301.png','/calculate-the-number-7299/8450'))
NUMBERMANIA: Calculate the number 7299 using numbers [8, 3, 6, 6, 35, 645] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Sir Ken Dodd’s greatest jokes
I haven't spoken to my mother-in-law for 18 months. I don't like to interrupt her.
Tonight when you get home, put a handful of ice cubes down your wife's nightie and say: 'There's the chest freezer you always wanted'.
Age doesn't matter, unless you are a cheese.
My dad knew I was going to be a comedian. When I was a baby, he said, 'Is this a joke?'
I've seen a topl*ss lady ventriloquist. Nobody has ever seen her lips move.
The man who invented cats' eyes got the idea when he saw the eyes of a cat in his headlights. If the cat had been going the other way, he would have invented the pencil sharpener.
How do you make a blonde laugh on a Sunday? Tell her a joke on a Wednesday.
My act is very educational. I heard a man leaving the other night, saying: 'Well, that taught me a lesson'.
Author, Comedy legend Sir Ken Dodd has died 11 March 2018, at age of 90.
Find number abc
)
If ca903 + cab90 = b65093 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/2025/08/12/mastermind-1754957101.png','/What-a-winning-combination/8447'))
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 1030
. Each of the numbers can be used only once.','/archive/2025/08/11/numbermania-1754870701.png','/calculate-the-number-1030/8446'))
NUMBERMANIA: Calculate the number 1030 using numbers [6, 9, 7, 7, 11, 169] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
)
If a4cb7 + cb877 = 45a84 find number abc. Multiple solutions may exist. Find number abc
)
If c88ca - 37332 = bb5bc find number abc. Multiple solutions may exist. Which is a winning combination of digits?
. 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/2025/08/05/mastermind-1754352302.png','/Which-is-a-winning-combination-of-digits/8440'))
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. Find number abc
)
If ca167 + ab0ac = 76b10 find number abc. Multiple solutions may exist. 
