1. A camp having 300 soldiers, has food sufficient for 90 days. After 20 days, 50 more soldiers arrived. How long will the remaining food last at the same rate ? (A) 60 days ) (B) 77 days (C) 80 days (D) 81 days
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1. A camp having 300 soldiers, has food sufficient for 90 days. After 20 days, 50 more soldiers arrived. How long will the remaining food last at the same rate ? (A) 60 days ) (B) 77 days (C) 80 days (D) 81 days
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Answer:
D) 81 days
Step-by-step explanation:
Remaining number of soldiers = (300−50) = 250.
Remaining number of days = (90−20)days = 70 days
300 men had provisions for 70 days
1 man had provisions for (300×70) days
250 men had provisions for 300×70/250 = 81 days.
Hence, the remaining food will last for 81 days.