A) 1600
B) 2160
C) 2040
D) 3230
E) 1800
Correct Answer: B
Solution :
In the given word, we treat the vowels IEO as one letter. Thus, we have RECTR (IEO) Thus, group has 6 letters in which R occurs twice and other letters are different. \[\therefore \] Number of ways of arranging these letters\[=\frac{6!}{2!}=360\] Now 3 vowels can be arranged among themselves in 3! = 6 ways \[\therefore \]Reqd number of ways \[=360\times 6=2160\]You need to login to perform this action.
You will be redirected in
3 sec