Question : If 60 is subtracted from 30 percent of a number, then the result is 120. What is the value of the number?
Option 1: 550
Option 2: 600
Option 3: 700
Option 4: 630
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Correct Answer: 600
Solution : Let the number be $x$. According to the question, $30$% of $x - 60 = 120$ ⇒ $\frac{30x}{100} =120+60$ ⇒ $\frac{3x}{10}=180$ ⇒ $3x =1800$ ⇒ $x = 600$ Hence, the correct answer is 600.
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