Multiple choice

A man has 75 kg rice some part he sold it at a profit of 20% and rest part at a loss of 10%, so 6% profit on mixture then how much quantity sold at a profit of 20%?

  1. 48 kg

  2. 40 kg

  3. 37 kg

  4. 32 kg

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let x kg sold at 20% profit and (75-x) kg sold at 10% loss. Using allegation or weighted average: (x × 20 + (75-x) × (-10))/75 = 6. Solving: 20x - 750 + 10x = 450, giving 30x = 1200, so x = 40 kg.