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08 Apr 2016, 02:45
Kudos
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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In how many ways can the letters of the word OCARINA be arranged if the O, R, and N remain in their original positions?
A. 6
B. 12
C. 18
D. 24
E. 48
A. 6
B. 12
C. 18
D. 24
E. 48
08 Apr 2016, 21:27
Kudos
Bookmarks
The word OCARINA has 7 letters and if the O, R, and N remain in their original positions
then we have 4 positions to arrange the remaining letters - C , 2A , I
Number of ways = 4!/2!
= 12
Answer B
then we have 4 positions to arrange the remaining letters - C , 2A , I
Number of ways = 4!/2!
= 12
Answer B
20 Jan 2018, 11:04
Kudos
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Skywalker18
The word OCARINA has 7 letters and if the O, R, and N remain in their original positions
then we have 4 positions to arrange the remaining letters - C , 2A , I
Number of ways = 4!/2!
= 12
Answer B
then we have 4 positions to arrange the remaining letters - C , 2A , I
Number of ways = 4!/2!
= 12
Answer B
I'm confused. Can you please explain why you divided by 2!? From my understanding order matters here.
Thanks
