`sqrt(?/169)` = `54/39` Options: A . &nbsp108 B . &nbsp324 C . &nbsp2916 D . &nbsp4800

`sqrt(?/169)` = `54/39

Question

`sqrt(?/169)` = `54/39`

Options:

A . 108

B . 324

C . 2916

D . 4800

Answer: Option B

Let `sqrt(x/169)` = `54/39` , Then `sqrt(x)/13` = `54/39` `hArr` ` sqrt(x)` = `(54/39 xx 13)` = 18`hArr` `x` = `(18)^2`=324

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