. The smallest 4 - digit number having three different digits is
A: 1102
B: 1012
C: 1020
D: 1002
Best Answer
Explanation:
Smallest 4-digit number = 1002
As we can observe in the options: 1002 < 1012 < 1020 < 1102
Therefore, the smallest 4-digit number having three different digits is 1002.
Final Answer:
Option D. 1002 is the correct answer.
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