Answer Answer: 15 days Explanation: Let the remaining food will last for x days. 500 men had provisions for (27 - 3) = 24 days. (500 + 300) men had provisions for x days. More men, Less days (Indirect Proportion) ∴ 800 : 500 : : 24 : x ∴ 800/500 : : 24/x ∴ 800x = 12000 ∴ x = 12000/800 ∴ x = 15 days (Ans)