Question

If all the words formed by the letters of the word RAINBOW are arranged in a dictionary form, then what is the position of the word RAINBOW in that dictionary?

Answer 1

Answer:

Position (Rank) = 3631

Step-by-step explanation:

R= 6

A= 1

I= 3

N= 4

B= 2

O= 5

W= 7

(5*6!)+(0*5!)+(1*4!)+(1*3!)+0

= 3600+0+24+6+0

Nunber of words before the word (RAINBOW) = 3630

The rank of the Word (RAINBOW) in the dictionary = 3630+1 =3631