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

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