In how many different ways can the letters of the word LEADING be arranged in such a way that the vowels always come together ?  Choose the most appropriate option
A) 39600
B) 360
C) 40320
D) 720
E) None of these
LDNG V(EAI) so 5 letters can arrange in 5!=120 and 3 vowels can arrange in 3!=6. so Ans=120*6= 
<gadget id="calculator">120*6</gadget>
<output>720</output>
720   ANSWER:720
<result>D</result>
In how many different ways can the letters of the word LEADING be arranged in such a way that the vowels always come together ?