what are the no. of arrangements of the world DELHI in which E precedes I

Asked by  | 12th Dec, 2013, 12:10: PM

Expert Answer:

Total number of arrangements of the word "DELHI" is 5!
 
E and I can be relatively arranged in two ways.
 
Thus in half of the words E will precede I and in the other half I will precede.
 
Thus the number of arrangements in which E precedes I is

Answered by Vimala Ramamurthy | 12th Dec, 2013, 12:26: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.