Quantitative Aptitude Ques 621

Question: The ratio of weekly incomes of A and B is 9: 7 and the ratio of their expenditures is 4 : 3. If each saves Rs. 200 per week, then the sum of their weekly incomes is

Options:

A) Rs. 3200

B) Rs. 4200

C) Rs. 4800

D) Rs. 5600

Show Answer

Answer:

Correct Answer: A

Solution:

  • Let the weekly incomes of A and B be 7x and their expenditures be 4y and 3y. According to the question, $ 9x-4y=200 $ $ 7x-3y=200 $ Solving, $ x=200, $ $ y=400 $

$ \therefore $ Sum of their weekly incomes $ =9x+7x=16x=Rs.3200 $

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