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A man spends ₹2400 from his ₹6000 salary. What percentage of salary is left?
65%
60%
40%
35%
60%
Use the ratio of spending: 2400/6000=24/60=2/5=40%. Since 40% is spent, the remaining portion is 100%−40%=60%.
Total salary = 6000, Expenditure = 2400
Remaining Percentage=Total SalaryTotal Salary−Expenditure×100%
Use the ratio of spending: 2400/6000=24/60=2/5=40%. Since 40% is spent, the remaining portion is 100%−40%=60%.
Many students calculate the percentage spent (40%) and mistakenly mark that as the final answer instead of calculating the remaining amount.
Calculate amount left
Subtract the expenditure from the total salary to find the remaining amount: 6000−2400=3600.
Remaining Amount=3600
Calculate the percentage
Express the remaining amount as a fraction of the total salary and multiply by 100 to convert to percentage: 60003600×100.
Percentage Left=60003600×100=60%
B is correct because the remaining salary is 3600, which is exactly 60% of the total 6000.
This concept of 'part-to-whole' ratio is foundational for Profit & Loss, Simple Interest, and Data Interpretation (DI) charts in competitive exams.
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