Cheenta
How 9 Cheenta students ranked in top 100 in ISI and CMI Entrances?
Learn More

Permutation of Rearranging letters

A permutation is a (possible) rearrangement of objects. For example, there are 6 permutation of rearranging letters a, b, c: abc, acb, bac, bca, cab, cba. a b c , a c b , b a c , b c a , c a b , c b a .

Try the problem


Calculate the number of "CLOSENESS" word that can be obtained by rearranging the letters.

Mathematical Circle

Combinatorics-1

5 out of 10

Knowledge Graph


permutation of rearranging letters knowledge graph

Use some hints


There will be factorial ($n!$) no of ways if there are \(n\) number of letters .

The answer is 9!/(2!.3!)=(9.8.7.6.5.4.3.2.1)/(2.1.3.2.1)

Subscribe to Cheenta at Youtube


Knowledge Partner

Cheenta is a knowledge partner of Aditya Birla Education Academy
Cheenta

Cheenta Academy

Aditya Birla Education Academy

Aditya Birla Education Academy

Cheenta. Passion for Mathematics

Advanced Mathematical Science. Taught by olympians, researchers and true masters of the subject.
JOIN TRIAL
support@cheenta.com