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Monthly Archive - February 2021 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Calculate the number 5648
NUMBERMANIA: Calculate the number 5648 using numbers [9, 1, 3, 9, 68, 498] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If cc09b - b4a6b = 73c30 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. 
Diagnosis Explained
A 90-year-old man goes for a physical and all of his tests come back normal.
The doctor says, “Larry, everything looks great. How are you doing mentally and emotionally? Are you at peace with God?”
Larry replies, “God and I are tight. He knows I have poor eyesight, so He’s fixed it so when I get up in the middle of the night to go to the bathroom, poof! The light goes on. When I’m done, poof! The light goes off.”
“Wow, that’s incredible,” the doctor says.
A little later in the day, the doctor calls Larry’s wife.
“Bonnie,” he says, “Larry is doing fine! But I had to call you because I’m in awe of his relationship with God. Is it true that he gets up during the night, and poof, the light goes on in the bathroom, and when he’s done, poof, the light goes off?”
“Oh sweet Jesus”, exclaims Bonnie. “He’s peeing in the refrigerator again!”
Calculate the number 735
NUMBERMANIA: Calculate the number 735 using numbers [3, 7, 4, 8, 41, 621] 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 (11, 12, 17, 23, 24, 29, 50, 54, 55, 60) 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 ccb5b - a2a88 = 2a4b8 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. Calculate the number 2430
NUMBERMANIA: Calculate the number 2430 using numbers [7, 1, 3, 7, 23, 284] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.