Triplets x y z Inequality (Jee Mains) | ExamDuo
Ask Doubts
Log in
Combinations
Medium
Triplets x y z Inequality
The triplet (x,y,z) is chosen from the set {1, 2, 3, ...n}, such that x ≤ y < z. The number of such triplets is
SELECT ONE OPTION
A
n³
B
n
C₃
C
n
C₂
D
n
C₃ +
n
C₂
Check
Ask about this question