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Properties of Rational Numbers

If A and B ar...

Question

If A and B are two integers such that A is the predecessor of B, then A – B + 8 =?

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-8

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Solution

The correct option is D
7

If A is the predecessor of B, then
A = B - 1

So, A - B + 8 = B - 1 - B + 8 = -1 + 8 = 7

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