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2007 AMC 10A Problem 16

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2007 AMC 10A Problem 16AMC 10 Step by Step
Name:                             Date: September 13, 2026
Basic Probability · difficulty 3 of 5 · about 3 min · position P16-20

Integers a,b,c,a, b, c, and dd , not necessarily distinct, are chosen independently and at random from 0 to 2007, inclusive. What is the probability that ad−bcad-bc is even?

  1. A)

    38\frac 38

  2. B)

    716\frac 7{16}

  3. C)

    12\frac 12

  4. D)

    916\frac 9{16}

  5. E)

    58\frac 58

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