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A hostel has food for 100 students for 20 days. If 25 more join, it lasts:

A18 days
B16 days
C25 days
D15 days
Answer & Solution
Correct answer: B. 16 days
1. More students, fewer days. 2. 100 times 20 equals 125 times y. 3. y is 16 days. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._
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