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Question : In the first month, the income of Mohan increased by 30%. In the second month, his income decreased by 30%. What will be the percentage increase or decrease in the income after two months?

Option 1: 15% increase

Option 2: 9% increase

Option 3: 15% decrease

Option 4: 9% decrease


Team Careers360 24th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 9% decrease


Solution : According to the question:
In the first month, his income increased by 30%.
In the second month, his income decreased by 30%.
$\therefore$ Income of Mohan after 2 months = $30 +(-30) + \frac{30\times -(30)}{100} = - 9\%$
Hence, the correct answer is 9% decrease.

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