WBCS.LIVE practice question

The incomes of A and B are in the ratio 3:2 and their expenditures are in the ratio 5:3. If each saves Rs.1,000, then B’s income is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Rs.3,000
  2. Rs.4,000
  3. Rs.6,000
  4. Rs.800

Correct answer and explanation

Correct answer: Rs.4,000

Explanation: ✅ Correct Answer: B. Rs.4,000 📚 Explanation: Let the incomes be 3x and 2x. Let expenditures be 5y and 3y. The equations for savings are (3x - 5y = 1000) and (2x - 3y = 1000). Solving these gives x = 2000. Therefore, B's income, which is 2x, equals 2 multiplied by 2000, which is Rs. 4,000. This is a common ratio and proportion problem in math.