|
The Most Difficult Tasks (page 353)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 3521 to 3530. |
Calculate the number 602
. Each of the numbers can be used only once.','/archive/2015/10/24/1616.png','/calculate-number-602/1616'))
NUMBERMANIA: Calculate the number 602 using numbers [8, 7, 1, 3, 69, 984] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 1966
. Each of the numbers can be used only once.','/archive/2015/09/10/1538.png','/calculate-number-1966/1538'))
NUMBERMANIA: Calculate the number 1966 using numbers [3, 2, 9, 1, 67, 645] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate the number 2650
. Each of the numbers can be used only once.','/archive/2015/05/15/1335.png','/calculate-number-2650/1335'))
NUMBERMANIA: Calculate the number 2650 using numbers [4, 1, 7, 8, 19, 501] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Lost Rooster
The priest in a small Irish village was very fond of the chickens he kept in the hen house out the back of the parish manse. He had a cock rooster and about ten hens.
One Saturday night the cock rooster went missing and as that was the time he suspected cock fights occurred in the village he decided to do something about it at church the next morning.
At Mass, he asked the congregation "Has anybody got a cock?" - all the men stood up.
"No No" he said "That wasn't what I meant. Has anybody seen a cock?" - all the women stood up.
"No No" he said "That wasn't what I meant. Has anybody seen a cock that doesn't belong to them." - half the women stood up.
"No No" he said "That wasn't what I meant. Has anybody seen my cock?" - all the nuns stood up.
Determine the value of the number EGDHEF
)
Determine the value of the number EGDHEF 
Calculate the number 7248
. Each of the numbers can be used only once.','/archive/2013/11/24/304.png','/calculate-number-7248/304'))
NUMBERMANIA: Calculate the number 7248 using numbers [8, 8, 9, 7, 74, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Calculate 18+6+20
','/archive/2013/11/09/255.png','/calculate-18620/255'))
FUNNY MATH: Calculate 18+6+20 (Author: Ruzica Pavlovic) Find the right combination
. 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.','/archive/2021/09/25/mastermind-1632528301.png','/Find-the-right-combination/7037'))
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. What a winning combination?
. 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.','/archive/2021/08/21/mastermind-1629504301.png','/What-a-winning-combination/7002'))
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. Find number abc
)
If 466a6 - 44bbc = 257c find number abc. Multiple solutions may exist. Which is a winning combination of digits?
. 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.','/archive/2021/06/26/mastermind-1624665901.png','/Which-is-a-winning-combination-of-digits/6947'))
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. 
