Multiple choice

The investments of A and B are in the ratio 7 : 8 and the investments of B and C are in the ratio 4 : 5. At the end of the year, they get a profit of Rs. 7500. Out of this profit, A's share is less than the total share of B and C by

  1. Rs. 3300

  2. Rs. 2400

  3. Rs. 2100

  4. Rs. 1800

  5. None of these
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A Correct answer
AI explanation

Using the method of equalizing the common term, the combined investment ratio of A, B and C is found by multiplying the first ratio by 1 and the second ratio by 2, resulting in a new ratio of 7 : 8 : 10. The sum of the parts is 25, meaning each part is worth 300 rupees out of the 7500 rupees profit. The share of A is 2100 rupees, while the combined share of B and C is 5400 rupees. The difference between these amounts is 3300 rupees.

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