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Three digit numbers from the digits 1 to 5, with no digit repeated, number:
A125
B80
C45
D60
Answer & Solution
Correct answer: D. 60
1. The places offer 5, then 4, then 3 choices.
2. Multiply those.
3. The count is 60.
_Source: NCERT Class 11 Mathematics, Chapter 7, Permutations and Combinations._
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