Rohit multiplies a number by 2 instead of dividing the number by 2. Resultant number is what percentage of the correct value?
Let the number be x.
Division by 2 = $$\dfrac{x}{2}$$
Multiplication by 2 = $$2x$$
Then, Required percentage = $$\dfrac{2x}{(\dfrac{x}{2})}\times100 = 4\times100 = 400$$%
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