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Monthly Archive - January 2018 (page 4)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 31 to 40. |
Calculate the number 510
NUMBERMANIA: Calculate the number 510 using numbers [1, 3, 9, 6, 75, 153] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If 5b88b - a9aa0 = c555b find number abc. Multiple solutions may exist. 
Pet Store
A lady was walking down the street to work and she saw a parrot on a perch in front of a pet store. The parrot said to her, “Hey lady, you are really ugly.” Well, the lady is furious! She stormed past the store to her work.
On the way home she saw the same parrot and it said to her, “Hey lady, you are really ugly.” She was incredibly ticked now. The next day the same parrot again said to her, “Hey lady, you are really ugly.”
The lady was so ticked that she went into the store and said that she would sue the store and kill the bird. The store manager replied profusely and promised he would make sure the parrot didn’t say it again.
When the lady walked past the store that day after work the parrot called to her, “Hey lady.”
She paused and said, “Yes?”
The bird said, “You know.”
Guess the name of musician
Look carefully caricature and guess the name of musician. 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. There are two incomplete wor...
There are two incomplete words. Place three (3) letters in bracket so that you can complete the word on the left and begin the word on the right. There are four three-digit n...
There are four three-digit numbers that share this property: the number itself, its double and its triple contain each digit from 1 to 9 exactly once. For example, 192 is one of them because 192, 384, 576 contain 1 to 9 each once. 273 is another one of them because 273, 546, 819 contain 1 to 9 each once. Can you find the other two numbers and calculate the product of these two numbers? Chess Knight Move
Find the country and its capital city, using the move of a chess knight. First letter is M. Length of words in solution: 5,8. Calculate the number 1134
NUMBERMANIA: Calculate the number 1134 using numbers [4, 3, 4, 9, 99, 480] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.