Question : The ratio of the incomes of two employees is 7 : 4, and the ratio of their expenditures is 3 : 1. If each of them manages to save INR 4800 per month, find the sum of their monthly incomes (in INR).
Option 1: 21120
Option 2: 20120
Option 3: 21150
Option 4: 18150
Latest: SSC CGL Tier 1 Result 2024 Out | SSC CGL preparation tips to crack the exam
Don't Miss: SSC CGL Tier 1 Scorecard 2024 Released | SSC CGL complete guide
Suggested: Month-wise Current Affairs | Upcoming Government Exams
Correct Answer: 21120
Solution : Given: The ratio of the incomes of two employees is 7 : 4, and the ratio of their expenditures is 3 : 1. Each of them manages to save INR 4,800 per month. Let their income be $7x, 4x$ and their expenditure be $3y, y$. According to the question, $7x-3y=4800$..........................(1) $4x-y=4800$.........................(2) Solving equations (1) and (2) we get, $x=1920$ and $y=2880$ So, the sum of their monthly income $= (7x+4x) = 11x = 11×1920 = 21120$ Hence, the correct answer is 21120.
Candidates can download this ebook to know all about SSC CGL.
Result | Eligibility | Application | Selection Process | Preparation Tips | Admit Card | Answer Key
Question : A and B have their monthly incomes in the ratio of 8 : 5, while their monthly expenditures are in the ratio of 5 : 3. If they have saved INR 12,000 and INR 10,000 monthly, respectively, then the difference in their monthly incomes is:
Question : The ratio of monthly incomes of A and B is 4 : 5 respectively. The ratio of monthly savings of A and B is 14 : 19 respectively. If the monthly expenditure of A and B is INR 1200 each, then what is the difference between the monthly incomes of A and B?
Question : The annual incomes of Amit and Veeri are in the ratio of 3 : 2, while the ratio of their expenditures is 5 : 3. If at the end of the year, each saves INR 1,000, the annual income of Amit is:
Question : The ratio of the monthly incomes of X and Y is 5 : 4 and that of their monthly expenditures is 9 : 7. If the income of Y is equal to the expenditure of X, then what is the ratio of the savings of X and Y?
Question : The ratio of the incomes of A and B in the last year was 4 : 3. The ratios of their individual incomes in the last year and the present year are 3 : 4 and 5 : 6, respectively. If their total income in the present year is INR 24.12 lakhs, then the sum of the income (in INR
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile