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A car takes 2 hours at 60 km/h. At 80 km/h the same trip takes:

A1 hour
B1.5 hours
C2.5 hours
D3 hours
Answer & Solution
Correct answer: B. 1.5 hours
1. Speed and time are inverse. 2. 60 times 2 equals 80 times t. 3. t is 1.5 hours. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._
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