Daily Brain Teasers for Thursday, 18 November 2021
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
MAGIC SQUARE: Calculate A-B-C
The aim is to place the some numbers from the list (6, 7, 13, 19, 20, 22, 23, 26, 29) 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 36cbb + ab404 = 58bb5 find number abc. Multiple solutions may exist.
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.

Expensive Barbie!
A man was driving home from work one evening when he suddenly realized that it was his daughter's birthday and he hadn't yet bought her a gift.
So, the man rushed off to the nearest toy store and asked the sales clerk, "How much is that Barbie in the window?"
The sales clerk replied in a condescending tone, "Which Barbie? We have Barbie Goes to the Gym for $19.95, Barbie Goes to the Ball for $19.95, Barbie Goes Shopping for $19.95, Barbie Goes to the Beach for $19.95, Barbie Goes Nightclubbing for $19.95, and Divorce Barbie for $265.00."
The overwhelmed man asked, "Why is the Divorced Barbie $265.00 and all the others are only $19.95?"
"That's obvious!" said the sales clerk. "Divorce Barbie comes with Ken's house, Ken's car, Ken's boat, Ken's furniture..."
Calculate the number 9703
NUMBERMANIA: Calculate the number 9703 using numbers [9, 7, 1, 4, 45, 953] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
ChirographerIn 1845, Charles Thurber was issued a U.S. patent for a Writing Machine he named the Chirographer (No. 4272). He is credited with the first U.S. patent on a typewriter with platen movement and automatic letter spacing, which was issued two years earlier, called “Thurber's Patent Printer” (No. 3,228, 26 Aug 1843). |
Find number abc
If 87c7a - 8c824 = cbb2 find number abc. Multiple solutions may exist.
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.
Calculate the number 958
NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
MAGIC SQUARE: Calculate A-B-C
The aim is to place the some numbers from the list (5, 9, 10, 16, 20, 21, 22, 26, 27, 40) 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 caa3c - 5ab5a = 4b187 find number abc. Multiple solutions may exist. 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.