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A train moves at a uniform 75 km per hour. In 20 minutes it covers:

A50 km
B25 km
C15 km
D75 km
Answer & Solution
Correct answer: B. 25 km
1. 20 minutes is one third of an hour. 2. One third of 75 is 25. 3. So it covers 25 km. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._
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