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Brain Teasers (page 93)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 921 to 930. |
Find number abc
If 6ab06 + 47cc8 = bbc334 find number abc. Multiple solutions may exist. 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. Calculate the number 3490
NUMBERMANIA: Calculate the number 3490 using numbers [4, 4, 6, 7, 54, 693] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
Golfing with ...
Three gentlemen are golfing one sunny day. They come to a difficult par with a water trap just after the tee. The first golfer proceeds to hit his ball right into the water. To retrieve it, he simply approaches the body of water and extends his golf club. The water parts, he takes his next shot and it lands on the green. The second golfer hits his ball towards the water, but rather than sink, the ball floats on top of the water. The golfer nonchalantly walks across the water and hits the ball onto the green.
The third golfer hits his the ball directly into the water, where it quickly starts to sink. As the ball sinks, a fish grabs the ball in its mouth. At that very moment, a hawk plucks the fish out of the water and begins to carry it aloft. As the bird soars higher, a bolt of lightning startles the bird, which then drops the fish into a nearby tree. When the fish hits a branch of the tree, the ball pops out, rolls down the trunk of the tree, across the green and right into the hole...
Moses turns to Jesus and says "You know, I hate golfing with your Father."
MAGIC SQUARE: Calculate A+B-C
The aim is to place the some numbers from the list (10, 12, 13, 20, 22, 23, 32, 33, 70, 72, 73) 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 b08b1 - 1aca7 = c13bc 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 2223
NUMBERMANIA: Calculate the number 2223 using numbers [4, 2, 7, 7, 94, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
If a0aaa + 77c69 = 1ba3b7 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 6944
NUMBERMANIA: Calculate the number 6944 using numbers [2, 5, 9, 8, 91, 444] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
