Question : A person's salary has increased from INR 7,000 to INR 12,000. What is the percentage increase in his salary?
Option 1: $61 \frac{1}{7} \%$
Option 2: $69 \frac{1}{7} \%$
Option 3: $76 \frac{4}{7} \%$
Option 4: $71 \frac{3}{7} \%$
Correct Answer: $71 \frac{3}{7} \%$
Solution :
According to the question,
Percentage Increase
$= \frac{\text{New Value−Old Value}}{\text{Old Value}} × 100$
$= \frac{12000 − 7000}{7000} × 100$
$= \frac{5000}{7000}× 100$
$ = 71\frac{3}{7}\%$
Hence, the correct answer is $71\frac{3}{7}\%$.
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