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Number - Square Root

SOURCE:GMAT
Number of Problems: 14.
FOR PRINT ::: (Book)

Problem Num : 11
Type:
Topic:Number 
Theme:None
Adjustment# : 27
Difficulty: 1

Category Square Root
Analysis could be!!! n > 25^2.. Answer shoulbe be greater than 25.
Solution/Hint


Problem Num : 12
Type: Modification
Topic:Number 
Theme:None
Adjustment# : 27
Difficulty: 600 level

Category Square Root
Analysis let's eliminate the square root.
Solution/Hint 49


Problem Num : 13
Type: None
Topic:Number 
Theme:None
Adjustment# : 28
Difficulty: 1

Category Square Root
Analysis
Solution/Hint


Problem Num : 14
Type: Mathematical Writing
Topic:Number 
Theme:None
Adjustment# : 30
Difficulty: 700 level

Category Square Root
Analysis To find x, we need to make an equation.
Solution/Hint 3+ 4/sqrt(5-x) =6 sqrt(5-x)= 4/3 5-x= 16/9 9*(5-x)=16 <- Can u guess the answer at this stage without cal? 45 -9x=16 29=9x x=3.2


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