Daily Brain Teasers for Sunday, 15 August 2021
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
Find number abc
If 5a0c2 - ab335 = 6b5b find number abc. Multiple solutions may exist. The first user who solved this task is Nasrin 24 T.
#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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 601
NUMBERMANIA: Calculate the number 601 using numbers [1, 9, 5, 7, 82, 516] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania

An elderly man and his wife, v...
An elderly man and his wife, vacationing at a cabin by the lake, were sitting on the porch and reminiscing about their younger years.
"This is the lake where I learned how to swim when I was a small boy," the husband said. "My father threw me into the water and I had to learn how to dog paddle to get back to the shore or drown. It was sink or swim."
"That was a cruel thing for your father to do," the wife said. "How could a loving father do such a thing to a small child? That must have been a very difficult way to learn how to swim."
"Not really," replied the husband. "Learning how to swim was the easy part. Getting out of that burlap bag first was the hard part!"
"This is the lake where I learned how to swim when I was a small boy," the husband said. "My father threw me into the water and I had to learn how to dog paddle to get back to the shore or drown. It was sink or swim."
"That was a cruel thing for your father to do," the wife said. "How could a loving father do such a thing to a small child? That must have been a very difficult way to learn how to swim."
"Not really," replied the husband. "Learning how to swim was the easy part. Getting out of that burlap bag first was the hard part!"
MAGIC SQUARE: Calculate A+B*C
The aim is to place the some numbers from the list (2, 3, 5, 7, 8, 10, 18, 19, 21, 28) 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. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
Chicago freight tunnelsIn 1906, a freight delivery tunnel system, the first in the U.S., began operation underneath Chicago, Illinois, but the whole underground system was not finished until 1 Sep 1907. The finished system was put into operation on 2 Jan 1908. The original franchise was issued to the Illinois Telephone and Telegraph Company, 20 Feb 1899 for carrying telephone and telegraph cables. After about twenty miles of tunnel had been accomplished, funds were exhausted. The concern was sold to a new company, the Illinois Tunnel Company, which obtained powers to handle merchandise and package freight between stores, warehouses and delivery points. |
Find number abc
If 51a8c + c13a1 = 11acb7 find number abc. Multiple solutions may exist. The first user who solved this task is Nasrin 24 T.
#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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 4040
NUMBERMANIA: Calculate the number 4040 using numbers [3, 1, 7, 9, 15, 390] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
Find number abc
If b8a7b + a7ab1 = 961c4 find number abc. Multiple solutions may exist. The first user who solved this task is Nasrin 24 T.
#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. The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
Calculate the number 4730
NUMBERMANIA: Calculate the number 4730 using numbers [3, 2, 7, 8, 19, 917] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania