Practicing Success
The ratio of the expenditure of Pervez, Sunny, and Ashu are 16: 12: 9 respectively and their savings are 20%, 25%, 40% of their income. The sum of the income is Rs 1530, find Sunny's salary. |
200 300 420 480 |
480 |
We know, Income = Expenditure + Saving Ratio of expenditure of Parvez , Sunny and Ashu is = 16 : 12 : 9 Let us consider Income of Parvez , Sunny and Ashu is P , S & A respectively. So, Saving of Parvez = 20% of P Income of Parvez = P = 16 + 20% of P P = 16 + \(\frac{20}{100}\) × P P - \(\frac{1}{5}\) × P = 16 P = 20 So, Saving of Sunny = 25% of S Income of Sunny = S = 12 + 25% of S S = 12 + \(\frac{25}{100}\) × S S - \(\frac{1}{4}\) × S = 12 S = 16 So, Saving of Ashu = 40% of A Income of Ashu = A = 9 + 40% of A A = 9 + \(\frac{2}{5}\) × A A - \(\frac{2}{5}\) × A = 9 A = 15 Now, Ratio of Income of Parvez , Sunny and Ashu is = 20 : 16 : 15 ATQ, ( 20 + 16 + 15 )R = 1530 51R = 1530 1R = 30 Now, Salary of Sunny = 16R = 16 × 30 = Rs. 480 |