SAT Math Multiple Choice Practice Question 259: Answer and Explanation

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Question: 259

17. How many different positive three-digit integers begin with an odd digit and end with an even digit?

A. 125
B. 180
C. 200
D. 225
E. 250

Correct Answer: E

Explanation:

E You have five choices for the first digit: 1, 3, 5, 7, and 9; ten choices for the middle digit (any digit will do), and five choices for the last digit: 0, 2, 4, 6, and 8. So the total number of possibilities is .

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