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Because 5 minus 3 differs from 3 minus 5, subtraction of rational numbers is:

ANot convergent
BNot commutative
CNot consistent
DNot continuous
Answer & Solution
Correct answer: B. Not commutative
1. Swapping the two numbers changes the answer. 2. Order therefore matters here. 3. So subtraction is not commutative. _Source: syllabus Mathematics Class VIII, Chapter 1, Rational Numbers._
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