# Chain Rule - Quantitative Aptitude (MCQ) questions for Q. 29297

**Q. A fort has provision for 42 days. After 10 days, a reinforcement of 200 men arrives and the food will now last only for 24 days. How many men were there in the fort in the beginning?***- Published on 11 Apr 17***a.** 600

**b.** 575

**c.** 550

**d.** 520

**ANSWER: 600**