1.

Total number of six-digit numbers that can be formed having the property that every succeeding digit is greater than the preceding digit is equal to

A. \[^{9}{{C}_{3}}\]                 
B. \[^{10}{{C}_{3}}\]
C. \[^{9}{{P}_{3}}\]                  
D. \[^{10}{{P}_{3}}\]
Answer» B. \[^{10}{{C}_{3}}\]


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