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GMAT Math Review Practice Exercises : Arithmetic - Powers & Roots of Numbers


Answer the following questions based on Powers & Roots of Numbers

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

(2 √162) / (3 √96) =

  ¼ √3

  ¾ √2

  ¼ √2

  ½ √3

  ½ √2

  Half-n-half Clue
 

2.

3√81 =

  3

  3 3√3

  3 √3

  2 3√9

  3 3√9

  Half-n-half Clue
 

3.

33 × 52 / 62 =

  6.5

  6.75

  6.25

  18.75

  18.25

  Half-n-half Clue
 

4.

√7 (7 √20 − 7 √75) =

  35 √5 − 14 √3

  35 √35 − 14 √21

  14 √35 − 35 √21

  5 √14 − 3 √35

  14 √5 − 35 √3

  Half-n-half Clue
 

5.

Which is the largest of the following numbers?

  63

  (√225)2

  23 × 52

  21 3√1000

  √(216)

  Half-n-half Clue
 

6.

Which is the smallest of the following numbers?

  11 √80

  8 √125

  21 √20

  15 √45

  7 √180

  Half-n-half Clue
 

7.

√147 =

  49

  49 √3

  21

  7 √3

  73

  Half-n-half Clue
 


 
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