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Categories >> Aptitude-Questions >> Puzzles
 
 
 
Question
You have four 9's and you may use any of the (+, -, /, *) as
many times as you like. I want to see a mathematical
expression which uses the four 9's to = 100 

How many such expressions can you make?
 Question Submitted By :: Guest
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Answer
There are 5 such expressions. 

99 + (9/9) = 100 

(99/.99) = 100 

(9/.9) * (9/.9) = 100 

((9*9) + 9)/.9 = 100 

(99-9)/.9 = 100
 
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