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9. There are 80 students in a hostel. Food provisions for them is for 15 days. How long will these provisions last,if 20 more students join the group? |
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Answer» It will last for 12 days if 20 more students join to the existing 80 students. Explanation:80 students can eat food for 15 days1 student can eat food for:15 x 80 = 1200 daysIf 20 more students join, then total will be 100 students.The food will go for 100 students: 1200/100=12 days |
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