Question
If `sqrt(x)` `-:` `sqrt(441)` = 0.02, then the value of `x` is :
Answer: Option A
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`sqrt(x)/sqrt(441)` = 0.02 `hArr` `sqrt(x)/21` = 0.02 `hArr` `sqrt(x)` = 0.02 x 21 = 0.42 `hArr` `x` = `(0.42)^2` = 0.1764.
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