Gate Exam Category

Number of four digits number having their digits in non-decreasing order(from left to right)
constructed by using the digits belonging to the set {1,2,3} is

Read Solution (Total 3)

1
only 1233 is possible.
9 years agoHelpfull: Yes(0) No(1)

15
combinations
9 years agoHelpfull: Yes(0) No(0)
4!/2!=12.12-1=11 combinations
9 years agoHelpfull: Yes(0) No(0)

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