2009 · Q88
In an army camp ration is available for 100 soldier 10 days. After 2 days, 60 soldiers joined. Then for many more days will the remaining ration last?
Elementary MathematicsAlgebra
- A7 days
- B6 days
- C5 days
- D4 days
Explanation
800 soldier-days/160 = 5 days.