I predict that your result will be 18
This problem gives the illusion of guessing an unknown number, but the unknown has been cancelled mathematically.
( X + 7 – 2 – X ) × 4 – 2 = 18
Your Answer
More puzzles to try-
I float but after a period of time I fall riddle
I am something that floats. But after a period of time I fall.Read More »Tall and twisted
He is tall and twisted; Narrow and fast; He stays there for a moment, But his Desolation lasts. What is ...Read More »Missing number puzzle
Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ...Read More »Whats Next?
Fill in the next line: 9 7 5 9 4 9 6 3 4 5 3 6 1 8 2 ...Read More »Water and melted ice puzzle
A full glass of water with a single ice cube is on a table. (Water level is at 200ml and ...Read More »Dropping 9-terms from the harmonic series
The harmonic series–that is, 1/1 + 1/2 + 1/3 + 1/4 + …–diverges. That is, the sum is not finite. ...Read More »Wise Rebus Riddle
What does the below rebus riddle means?Read More »Full of holes, hold water
I am full of holes but I can still hold water. What am I?Read More »Great Banquet
A great banquet was prepared for a Roman emperor and his courtiers. 22 Dormice, 40 Larks’ Tongues, 30 Flamingos and ...Read More »Chance of Winning Lottery
The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in ...Read More »Do you see the native american wearing a headdress, or the inuit wearing a fluffy coat and entering an igloo?
Do you see the native american wearing a headdress, or the inuit wearing a fluffy coat and entering an igloo?Read More »What has 88 keys?
What has 88 keys?Read More »Present Age
In three years John will be twice as old as he was ten years ago. What is his present age ...Read More »Puzzlefry word pattern riddle
There is a common word pattern in the below words. Can you find it? 1. CHARM 2. DYNAMO 3. YAM ...Read More »Maximum count puzzle
A fast food restaurant sells chicken in orders of 6, 9, and 20. What is the largest number of pieces ...Read More »FIND THE MISSING AMOUNT
Three men in a cafe order a meal the total cost of which is $15. They each contribute $5. The ...Read More »Sound Like a Parrot
I’m orange, I wear a green hat and I sound like a parrot. What am I?Read More »Defective stack of coins puzzle
There are 10 stacks of 10 coins each. Each coin weights 10 gms. However, one stack of coins is defective ...Read More »Black and White Hats Puzzle
Naga a safari in the kajiranga jungle capture three men. The naga give the men a single chance to escape uneaten. ...Read More »Letters Magic
Look at the below sequence of letters and tell us what the next letter should be: O T T F ...Read More »
Accenture Interview PuzzlesAdobe Interview PuzzlesAge RiddleAkbar Birbal PuzzlesAlgorithm PuzzlesAlphabet riddleAmazon Interview PuzzlesAnalytical MathematicsAptitude PuzzleBank PuzzlesBetting PuzzlesBrain TeasersCalendar PuzzlesCards PuzzlesChess Board PuzzleChess PuzzlesChristmas Puzzlecipher PuzzleCivil Services PuzzleClock time puzzleCognizant Interview PuzzlesCoins PuzzleComputational PuzzleconundrumCoronavirus PuzzleCoupondunia Interview PuzzleCritical Thinking Puzzledata analyticsData Structure Interview QuestionsDecode PuzzleDetective PuzzlesDice PuzzleDictionary Riddlesdifficult riddleEasy Math puzzlesEasy puzzlesEinstein puzzleEnglish RiddleFamily Tree Puzzlefamous puzzleFill in the blanks riddlesFinding Killer RiddlesFlipkart interview puzzlesFunny RiddlesGeneral KnowledgeGeographical PuzzleGoogle Code Jam 2014Google Interview PuzzlesGRE PuzzleHard Puzzle