The monthly salary of a person was ₹75,000. He used to spend on Family Expenses (E), Taxes (T), Charity (C) and rest were his savings. E was 60% of the income, T was 20% of E, and C was 15% of T. When his salary got raised by 40%,he maintained the percentage level of E, but T became 30% of E and C became 20% of T. The ratio of the savings of his earlier salary to that of his present salary is: |
655 : 644 325 : 337 644 : 655 337 : 325 |
655 : 644 |
Monthly salary of a person = ₹75,000 E = 60% of 50,000 = \(\frac{60}{100}\) × 75000 = 45000 T = 20% of E = \(\frac{20}{100}\) × 45000 = 9000 C = 15% of T = \(\frac{15}{100}\) × 9000 = 1350 Saving = 75000 - 45000 - 9000 - 1350 = 19,650 New salary = 140% of old salary = \(\frac{140}{100}\) × 75000 = 105000 E = 60% of 70,000 = \(\frac{60}{100}\) × 105000 = 63000 T = 30% of E = \(\frac{30}{100}\) × 63000 = 18900 C = 20% of T = \(\frac{20}{100}\) × 18900 = 3780 New Saving = 105000 - 63000 - 18900 - 3780 = 19320 Required Ratio , 19,650 : 19320 655 : 644 |