GATE | CS | 2015 | Set 3 | Discrete Maths | Combinatorics | Question 32

Last Updated :
Discuss
Comments

The number of 4 digit numbers having their digits in non-decreasing order (from left to right) constructed by using the digits belonging to the set {1, 2, 3} is ____.

12

13

14

15

This question is part of this quiz :

Combinatorics,GATE-CS-2015 (Set 3),Combinatrics and Miscellaneous topics Quiz,Discrete mathematics PYQ GATE QUIZ
Tags:
Engineering Mathematics Questions
GATE
Discrete Mathematics
GATE CS
Share your thoughts in the comments