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Ten rounds of a 400 metre stadium track add up to:

A2 km
B6 km
C8 km
D4 km
Answer & Solution
Correct answer: D. 4 km
1. Ten rounds of four hundred metres is four thousand metres. 2. Four thousand metres is four kilometres. 3. So the answer is 4 km. _Source: syllabus Mathematics Class IV, Chapter 2, Long and Short._
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