WBCS.LIVE practice question

A, B and C gain Rs. 3,500/- from a joint stock business. If the ratio of the capitals of A and B is 5 : 2 and that of B and C be 3 : 2, determine A’s share in profit.

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

Answer options

  1. Rs. 2100/-
  2. Rs. 840/-
  3. Rs. 560/-
  4. Rs. 600/-

Correct answer and explanation

Correct answer: Rs. 2100/-

Explanation: ✅ Correct Answer: A. Rs. 2100/- 📚 Explanation: First, find the common ratio: A:B is 5:2 and B:C is 3:2. Multiplying to match B: A:B is 15:6 and B:C is 6:4. The combined ratio is 15:6:4. The total parts are 25 (15 + 6 + 4). One part is 3500 / 25 = 140. A’s share is 15 multiplied by 140, which results in exactly Rs 2100.