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Square root and cube root

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  1. √ ? / 200 = 0.02 ?
    1. 0.4
    2. 4
    3. 16
    4. 1.6
Correct Option: C

Let √x / 200 = 0.02
Then, √x = 200 x 0.02 = 4.
So, x = 16


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