In how many ways can the letters in mmmnnnppqq can be arranged with two n's together?
Pick one:
A) 15120 ways
B) 16120 ways
C) 14120 ways
D) 13120 ways
E) 12120 ways
MMMN(NN)PPQQ so taking two N's together we can get =9!/(3!*2!*2!) arrangements   bow this NN can be arranged in =2!/2!=1 ways   so total arrangements2 /2= 
<gadget id="calculator">2 /2</gadget>
<output>1</output>
1 ways   so total arrangements=9!/(3!*2!*2!)=15120 ways   15120 waysNSWER:15120 ways
<result>A</result>
In how many ways can the letters in mmmnnnppqq can be arranged with two n's together?