Question
Rahul saves Rs. 6800 more if he spends 70% of his income
instead of 90%. Find the savings of Sumit whose income is 25% more than that of Rahul, and spends 85% of his income.Solution
Let, the income of Rahul be Rs. x According to the question, 0.90x – 0.70x = 6800 Or, 0.20x = 6800 Or, x = 6800/0.20 = Rs. 34000 Savings of Sumit = 0.15 × 1.25 × 34000 = Rs. 6375
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