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Square Root And Cube Root


If $$3\sqrt 5 + \sqrt {125} = 17.88{\text{,}}$$     then what will be the value of $$\sqrt {80} $$  $$ + $$ $$6\sqrt 5 $$  = ?
Options:
A. 13.41
B. 20.46
C. 21.66
D. 22.35

 Next Question
Answer: Option D

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