Question
For what value of `**` the statement `(**/15) (**/135)` = 1 is true ?
Answer: Option D
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Let the missing number be `x`.
Then `x^2` = 15 x 135 `hArr` `x` = `sqrt(15 xx 135)` = `sqrt(15^2 xx 3^2)` = 15 x 3 = 45
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