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Out of an earning of ₹720, Rama spends 65%. How much does she save?
₹316
₹252
₹350
₹390
₹252
Calculate 35% (the remaining portion) of 720: 35% of 720 = (35/100) * 720 = 7 * 36 = 252.
Total earning = ₹720, Percentage of spending = 65%.
Savings=Earning×(100%−Spending%)
Calculate 35% (the remaining portion) of 720: 35% of 720 = (35/100) * 720 = 7 * 36 = 252.
Many students calculate 65% of 720 (which is 468) and mark it as the answer, forgetting that the question asks for savings, not spending.
Identify savings percentage
Since the total earning is 100%, and Rama spends 65%, the percentage saved is 100%−65%=35%.
Savings%=100%−65%=35%
Calculate the savings amount
Multiply the total earnings by the savings percentage to find the amount saved in rupees.
Savings=720×10035
Perform the final calculation
Simplifying the fraction: 720×0.35=72×3.5=252.
Savings=252
B is correct because the savings of 35% of ₹720 equals ₹252.
This type of percentage calculation is foundational for more complex profit, loss, and interest problems in competitive exams.
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