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Question

What is the square  root of 0.0009  ?


Options:
A .  0.3
B .  0.03
C .  0.003
D .  0.02
Answer: Option B

Sol.     `sqrt(0.0009)`

             = `sqrt(9/10000)`

             = `sqrt(9)/sqrt(10000)`

             = ` 3/100`     = 0.03   



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