Multiple choice

M and N invests in a business in the ratio of 5 : 4. If 15% of the total profit goes to charity and M's share is Rs.3570, what is the total profit?

  1. Rs.7580

  2. Rs.7560

  3. Rs.8560

  4. Rs.7850

  5. Rs.7650
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

After 15% charity, 85% remains distributed in 5:4 ratio. M's share of remaining profit is (5/9) × 85% = 47.22%. This equals Rs.3570. Total profit = 3570 ÷ 0.4722 ≈ Rs.7560. Verify: 85% of 7560 = 6426, M gets (5/9)×6426 = 3570. Key insight: always apply percentage adjustments before ratio-based division.

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