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प्रश्न
If a man spends 70% of his income, what percent does he save?
उत्तर
Total Income = ₹ 100
70% expenses = `100xx70/100` = ₹ 70
His saving = (100 − 70) = ₹ 30
∴ Percentage of saving = `30/100xx100` = 30%
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