Question
Rahul saves Rs. 6300 more if he spends 50% of his income
instead of 80%. Find the savings of Sumit whose income is 20% more than that of Rahul, and spends 85% of his income.Solution
Let, the income of Rahul be Rs. x According to the question, 0.80x - 0.50x = 6300 Or, 0.30x = 6300 Or, x = 6300/0.30 = Rs. 21000 Savings of Sumit = 0.15 x 1.20 x 21000 = Rs. 3780
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