book
Interview
Numerical Ability
Permutation and Combination
how many ways of different necklace is formed from 5 green and 6 red beats?
a)18
b) 21
c)42
d)36
Read Solution (Total 3)
-
- (11-1)!/(5!*6!)=42
- 9 years agoHelpfull: Yes(0) No(0)
- Explain it please alka
- 9 years agoHelpfull: Yes(0) No(0)
- ans=42
using circular permutation ,(5+6-1)!/((5!)(6!))=42 ways - 9 years agoHelpfull: Yes(0) No(0)
book Other Question