Discussion :: Chain Rule
- One army camp had ration for 560 soldiers for 20 days, 560 soldiers reported for the camp, and after 12 days, 112 soldiers were sent to another camp. For how many days, the remaining soldiers can stay in the camp without getting any new ration?
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Answer : Option A
Explanation :
After 12 days, there was ration for 560 soldiers for 8 days.
Remaining persons = (560-112) = 448
Less soldiers, more days (inverse proportion)
Let the x is the required number of days
Then, 448: 560 = 8: x
Or, x = (560*8)/ 448 = 10
Hence, the required number of days is 10.
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