Multiple choice general knowledge math & puzzles

In an army camp ration is available for 100 soldiers for 10 days,after 2 days 100 more soldiers joined.Then for how many more days will the remaining ration last?

  1. 4

  2. 7

  3. 6

  4. 5

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total ration = 100 soldiers × 10 days = 1000 soldier-days. After 2 days, 100 soldiers consumed 200 soldier-days, leaving 800 soldier-days. With 200 soldiers now, the ration lasts 800 ÷ 200 = 4 days. This is a standard inverse proportion problem.