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The Most Difficult Tasks (page 182)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1811 to 1820. |
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: 10
#brainteasers #mastermind
Find number abc
If ac163 - bc5bb = 95a6 find number abc. Multiple solutions may exist. Correct answers: 10
#brainteasers #math
Find number abc
If b24aa + 924bc = 1448bc find number abc. Multiple solutions may exist. Correct answers: 10
#brainteasers #math

Learning From Teachers
Eight-year-old Sally brought her report card home from school. Her marks were good...mostly A's and a couple of B's.
However, her teacher had written across the bottom: "Sally is a smart little girl, but she has one fault. She talks too much in school. I have an idea I am going to try, which I think may break her of the habit."
Sally's dad signed her report card, putting a note on the back: "Please let me know if your idea works on Sally because I would like to try it out on her mother."
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: 10
#brainteasers #mastermind
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: 10
#brainteasers #mastermind
Find number abc
If 8a9a3 - a8389 = cbc3b find number abc. Multiple solutions may exist. Correct answers: 10
#brainteasers #math
Find number abc
If b1aaa + b3a53 = 18ca53 find number abc. Multiple solutions may exist. Correct answers: 10
#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: 10
#brainteasers #mastermind
Find number abc
If 788ac - a5aa9 = b3b9b find number abc. Multiple solutions may exist. Correct answers: 10
#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: 10
#brainteasers #mastermind
