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In the International system, one billion equals a number of millions that is:

A2000
B1000
C1200
D1500
Answer & Solution
Correct answer: B. 1000
1. A billion sits one step above a million. 2. The step is the same size as the last one. 3. So one billion is 1000 million. _Source: syllabus Mathematics Class VI, Chapter 1, Knowing Our Numbers._
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