A dealer had 120 kg of wheat. A part of it was sold by him at 10% gain and the rest at 25% gain. overall, he had a gain of 15%. How much of the wheat was sold at 10% gain?
Answer & explanation
Correct answer: option 1
Using allegation,
10% 25%
15%
10 : 5
2 : 1
⇓ × 40 ⇓ × 40
80 40
Sold at 10% gain = 80 kg.