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Multiplication Principle
Grade Level
GRE
GRE.096 Multiplication Principle
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Skill Level
🔴 Hard
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A 4-digit PIN uses digits 0 through 9 without repetition. The first digit cannot be 0, and exactly one digit must be odd. How many PINs are possible?
A
1,200
B
600
C
960
D
1,020
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