Question
Monthly income of A is Rs. 6500 and he saves 36% of his
monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is increased by 35% then find the increase or decrease in his monthly income.Solution
Given Data: Monthly Income = Rs. 6500 Savings (36%) = Rs. 2340 Expenditure = Rs. 4160 (Income - Savings) Changes: Expenditure decreased by 35% → New Expenditure = 4160 - 35% of 4160 = Rs. 2704 Savings increased by 35% → New Savings = 2340 + 35% of 2340 = Rs. 3159 New Income: New Income=New Expenditure + New Savings = 2704+3159=5863 Change in Income: Change Change=5863−6500=−637 Income decreased by Rs. 637.
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