A shopkeeper has 2220 kg of rice. A part of which he sells at a 20% profit and the rest at a 12% profit. He gains 18% on the whole. The quantity (in kg) sold at a 12% profit is:
Answer & explanation
Correct answer: option 1
Total rice = 2220kg
Profit% = 20%
Loss% = 12%
Final profit% = 18%
Applying alligation=
20% 12%
18%
6x : 2x = 8x Total
⇓ ×277.5 ⇓ ×277.5
555 Kg 2220 (Given)