एक किले 400 सैनिक रहते है उसका 90 दिन का खाना स्टॉक है 13 दिन बाद 150 सैनिक और आ जाते है शेष खाना कितने दिन चलेगा
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Answer:
Given that 400 soldiers had food stack for 90 days.
Hence,after 13 days food left will be 90-13=77
Number of soldiers after 13 days will be 400+150
= 550
Let the remaining food be x
400 : 550 :: x : 77
400/550 × 77 = x
x = 56
Food will remain for 56 days after adding 150 more soldiers
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