Question : A number is first increased by 8% and then decreased by 3% to get 2619. What is 5% of that number?
Option 1: 125
Option 2: 135
Option 3: 130
Option 4: 140
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Correct Answer: 125
Solution : Let the number be $x$. The number first increased by 8%, then decreased by 3%. According to the question, $x×\frac{108}{100}×\frac{97}{100}=2619$ $⇒x=2500$ Now, 5% of $x$ = $2500×\frac{5}{100}=125$ Hence, the correct answer is 125.
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